555 Pennsylvania Ave NW (at 6th St NW), Washington, D.C.
Museum · Downtown-Penn Quarter-Chinatown · 305 tips and reviews
C-SPAN: Newseum numbers: 250,000 sq. ft., 35,000 historic newspaper front pages, 15 theaters, 8 sections of the Berlin Wall (each is 3 tons), First Amendment tablet on Pennsylvania Ave. is 50 tons of marble.