The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

A wonderful display of arts and crafts handmade by local artisans in the Southern Appalachians.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

Decades before the scandal, this staircase on the river was a literal "water gate."

Fittingly, America's museum of architecture is itself a magnificently designed old building.

Home to items never before seen by the public.