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Views of the interior of the Smithsonian Institution.

Views of the interior of the Smithsonian Institution.

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

Smisthsonian Institution. Washington DC stereoscope card, 19th cenrury.

Smisthsonian Institution. Washington DC stereoscope card, 19th cenrury...

Picryl description: Public domain image of a historical building, landmark architecture, world heritage, free to use, no copyright restrictions.

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Picryl description: Public domain image of a historical building, landmark architecture, world heritage, free to use, no copyright restrictions.

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

Exterior, Smithsonian Institution, Washington, D.C. Completed in 1855, the Castle is a home to the Smithsonian.

Exterior, Smithsonian Institution, Washington, D.C. Completed in 1855,...

Picryl description: Public domain image of a castle, view, free to use, no copyright restrictions.

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Picryl description: Public domain image of a castle, view, free to use, no copyright restrictions.

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Public domain image related to an industrial revolution, industry history, factory building, 19th century, free to use, no copyright restrictions image - Picryl description.

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Picryl description: Public domain image of a public building, auditorium, hall, commons, 19th-20th century architecture, free to use, no copyright restrictions.

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Picryl description: Public domain image of a castle, view, free to use, no copyright restrictions.

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Picryl description: Public domain image of a historical building, landmark architecture, world heritage, free to use, no copyright restrictions.

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Public domain image related to an industrial revolution, industry history, factory building, 19th century, free to use, no copyright restrictions image - Picryl description.

Smithsonian Institution, Washington, D.C.. Completed in 1855, the Castle is a home to the Smithsonian.

Smithsonian Institution, Washington, D.C.. Completed in 1855, the Cast...

Picryl description: Public domain image of a castle, view, free to use, no copyright restrictions.

Smithsonian Institution, Washington, D.C.. Completed in 1855, the Castle is a home to the Smithsonian.

Smithsonian Institution, Washington, D.C.. Completed in 1855, the Cast...

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Picryl description: Public domain image of a castle, view, free to use, no copyright restrictions.

Smisthsonian Institution. Washington DC stereoscope card, 19th cenrury.

Smisthsonian Institution. Washington DC stereoscope card, 19th cenrury...

Picryl description: Public domain photograph of a historic Capitol building, free to use, no copyright restrictions.

Smisthsonian Institution, North. Washington DC stereoscope card, 19th cenrury.

Smisthsonian Institution, North. Washington DC stereoscope card, 19th ...

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Picryl description: Public domain image of a historical building, landmark architecture, world heritage, free to use, no copyright restrictions.

Interior views of the Smithsonian Institution, Washington, D.C..

Interior views of the Smithsonian Institution, Washington, D.C..

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Picryl description: Public domain image of a castle, view, free to use, no copyright restrictions.

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Picryl description: Public domain image of a 19th-century building, Victorian architecture style, free to use, no copyright restrictions.

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Picryl description: Public domain image of a castle, view, free to use, no copyright restrictions.

Interior views of the Smithsonian Institution, Washington, D.C..

Interior views of the Smithsonian Institution, Washington, D.C..

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

Smithsonian Institution. Completed in 1855, the Castle is a home to th...

Picryl description: Public domain image of a castle, view, free to use, no copyright restrictions.

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Picryl description: Public domain image of a castle, view, free to use, no copyright restrictions.

Smithsonian Institution, Washington, D.C.. Completed in 1855, the Castle is a home to the Smithsonian.

Smithsonian Institution, Washington, D.C.. Completed in 1855, the Cast...

Picryl description: Public domain image of a castle, view, free to use, no copyright restrictions.

Smithsonian Institution, Washington, D.C.. Completed in 1855, the Castle is a home to the Smithsonian.

Smithsonian Institution, Washington, D.C.. Completed in 1855, the Cast...

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Picryl description: Public domain image of a castle, view, free to use, no copyright restrictions.

Views of the interior of the Smithsonian Institution.

Views of the interior of the Smithsonian Institution.

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Picryl description: Public domain image of a victorian era building, victorian house, 19th century architecture, free to use, no copyright restrictions.

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

Smisthsonian Institution, North. Washington DC stereoscope card, 19th cenrury.
Exterior, Smithsonian Institution, Washington, D.C. Completed in 1855, the Castle is a home to the Smithsonian.

Exterior, Smithsonian Institution, Washington, D.C. Completed in 1855,...

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

The Smithsonian Institution Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution Completed in 1855, the Castle is a home to...

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

The Smithsonian Institution Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution Completed in 1855, the Castle is a home to...

Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.

Smithsonian Institution, Washington, D.C.. Completed in 1855, the Castle is a home to the Smithsonian.

Smithsonian Institution, Washington, D.C.. Completed in 1855, the Cast...

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Interior views of the Smithsonian Institution, Washington, D.C..

Interior views of the Smithsonian Institution, Washington, D.C..

Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.

Views of the interior of the Smithsonian Institution.

Views of the interior of the Smithsonian Institution.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

The Smithsonian Institution Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution Completed in 1855, the Castle is a home to...

Public domain image related to an industrial revolution, industry history, factory building, 19th century, free to use, no copyright restrictions image - Picryl description.

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Picryl description: Public domain image of a castle, view, free to use, no copyright restrictions.

Smithsonian Institution, Washington, D.C.. Completed in 1855, the Castle is a home to the Smithsonian.

Smithsonian Institution, Washington, D.C.. Completed in 1855, the Cast...

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

Smisthsonian Institution, North. Washington DC stereoscope card, 19th cenrury.

Smisthsonian Institution, North. Washington DC stereoscope card, 19th ...

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Picryl description: Public domain image of a castle, view, free to use, no copyright restrictions.

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Public domain image related to an industrial revolution, industry history, factory building, 19th century, free to use, no copyright restrictions image - Picryl description.

The Smithsonian Institution Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution Completed in 1855, the Castle is a home to...

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Smisthsonian Institution, North. Washington DC stereoscope card, 19th cenrury.
The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Picryl description: Public domain image of a 19th-century building, Victorian architecture style, free to use, no copyright restrictions.

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

Smisthsonian Institution. Washington DC stereoscope card, 19th cenrury.
The Smithsonian Institution Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution Completed in 1855, the Castle is a home to...

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Picryl description: Public domain image of a historical building, landmark architecture, world heritage, free to use, no copyright restrictions.

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Picryl description: Public domain image of a castle, view, free to use, no copyright restrictions.

Interior views of the Smithsonian Institution, Washington, D.C..

Interior views of the Smithsonian Institution, Washington, D.C..

Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Picryl description: Public domain image of a victorian era building, victorian house, 19th century architecture, free to use, no copyright restrictions.

The Smithsonian Institution Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution Completed in 1855, the Castle is a home to...

Picryl description: Public domain image of a castle, view, free to use, no copyright restrictions.

Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

Smithsonian Institution. Completed in 1855, the Castle is a home to th...

Picryl description: Public domain image of a castle, view, free to use, no copyright restrictions.

Smisthsonian Institution. Washington DC stereoscope card, 19th cenrury.

Smisthsonian Institution. Washington DC stereoscope card, 19th cenrury...

Picryl description: Public domain image of a historical building, landmark architecture, world heritage, free to use, no copyright restrictions.

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Picryl description: Public domain image of a public building, auditorium, hall, commons, 19th-20th century architecture, free to use, no copyright restrictions.

Smisthsonian Institution. Washington DC stereoscope card, 19th cenrury.

Smisthsonian Institution. Washington DC stereoscope card, 19th cenrury...

Picryl description: Public domain photograph of a historic Capitol building, free to use, no copyright restrictions.

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Views of the interior of the Smithsonian Institution.

Views of the interior of the Smithsonian Institution.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Smisthsonian Institution. Washington DC stereoscope card, 19th cenrury.
The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

Exterior, Smithsonian Institution, Washington, D.C. Completed in 1855, the Castle is a home to the Smithsonian.

Exterior, Smithsonian Institution, Washington, D.C. Completed in 1855,...

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

Smisthsonian Institution. Washington DC stereoscope card, 19th cenrury.
Exterior, Smithsonian Institution, Washington, D.C. Completed in 1855, the Castle is a home to the Smithsonian.

Exterior, Smithsonian Institution, Washington, D.C. Completed in 1855,...

Picryl description: Public domain image of a castle, view, free to use, no copyright restrictions.

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Picryl description: Public domain image of a castle, view, free to use, no copyright restrictions.

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

The Smithsonian Institution. Completed in 1855, the Castle is a home to the Smithsonian.

The Smithsonian Institution. Completed in 1855, the Castle is a home t...

Washington DC stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More