Washington, DC, is not all political wonks and Masonic conspiracies: It's also a highly walkable city, its diagonal avenues wide open to modern design.  Photo 1 of 7 in America's Top Design Destinations by Aaron Britt

America's Top Design Destinations

1 of 7

Washington, DC, is not all political wonks and Masonic conspiracies: It's also a highly walkable city, its diagonal avenues wide open to modern design.