One of the rooms in the movie.............Valkyrie.........looks like the room before u put your bag or coat up.......in the West Gallery of Art.....in DC.........

Floor Plan: West Building - National Gallery of Art

https://www.nga.gov/visit/tours-and-guides/floor-plan-west-building.html

On the Ground Floor are galleries of prints, drawings, paintings, sculpture, decorative arts, and temporary exhibitions; the Garden Café the West Building sales ...

Buildings: West Building, East Building, and Sculpture Garden

https://www.nga.gov/about/buildings.html

Buildings: West Building, East Building, and Sculpture Garden ... When he created the National Gallery of Art, Andrew Mellon asked Congress to set aside an ...