Entrance to the Smithsonian Castle with statue of Joseph Henry outside on the Mall in Washington, D.C., United States of America, North America

View of Smithsonian Castle, Washington D.C., United States of America, North America

Smithsonian Castle Building on the Mall in Washington D.C., United States of America, North America

Smithsonian Castle, National Mall, Washington D.C., United States of America, North America

Interior view, The Commons, Smithsonian Institution Building, admin building and museum, commonly known as "The Castle", National Mall, Washington DC, District of Columbia, United States of America,

Black and white image, sepia, statue of the scientist Joseph Henry in front of the Smithsonian Institution Building, admin building and museum, commonly known as "The Castle", National Mall, Washington DC, District of Columbia, United States of America, P

View from the Enid A. Haupt Garden to the Smithsonian Institution Building, admin building and museum, commonly known as "The Castle", National Mall, Washington DC, District of Columbia, United States of America, PublicGround

View from the Enid A. Haupt Garden to the gate of the Smithsonian Institution Building, admin building and museum, commonly known as "The Castle", National Mall, Washington DC, District of Columbia, United States of America, PublicGround

Statue of scientist Joseph Henry in front of the Smithsonian Institution Building, admin building and museum, known as "the Castle", National Mall, Washington DC, District of Columbia, United States of America, USA, PublicGround

View from the Enid A. Haupt Garden to the gate of the Smithsonian Institution Building, admin building and museum, commonly known as "The Castle", National Mall, Washington DC, District of Columbia, United States of America, PublicGround

Information Center at the Smithsonian Institution Building, admin building and museum, known as "the Castle", National Mall, Washington DC, District of Columbia, United States of America, USA, PublicGround

Smithsonian Institution Building, popularly known as "the Castle", museum and admin building, National Mall, Washington DC, District of Columbia, United States of America, USA, PublicGround

View from the Enid A. Haupt Garden to the Smithsonian Institution Building, admin building and museum, commonly known as "The Castle", National Mall, Washington DC, District of Columbia, United States of America, PublicGround

Statue of scientist Joseph Henry in front of the Smithsonian Institution Building, admin and museum building, known as "the Castle", National Mall, Washington DC, District of Columbia, United States of America, USA, PublicGround

Interior view, ceiling construction The Commons, Smithsonian Institution Building, admin building and museum, commonly known as "The Castle", National Mall, Washington DC, District of Columbia, United States of America, USA

Facade of Smithsonian Institution, Smithsonian Castle, Washington DC, USA

USA, Washington DC, National Mall, Smithsonian Castle, Tourist Information Centre for Smithsonian Museums.

USA, Washington DC, National Mall, Smithsonian Castle, Tourist Information Centre for Smithsonian Museums.

USA, Washington DC, National Mall, Smithsonian Castle, Tourist Information Centre for Smithsonian Museums.

USA, Washington DC, National Mall, Smithsonian Castle, Tourist Information Centre for Smithsonian Museums.

USA, Washington DC, National Mall, Smithsonian Castle, Tourist Information Centre for Smithsonian Museums.

Smithsonian Institution