The museum's glass structure is broken up by sculptural forms that are meant to evoke the mountains surrounding the Bulgarian capital.  Photo 2 of 6 in New Kids on the Bloc: American Architects in the Post-Soviet World

New Kids on the Bloc: American Architects in the Post-Soviet World

2 of 6

The museum's glass structure is broken up by sculptural forms that are meant to evoke the mountains surrounding the Bulgarian capital.