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

An overlooked memorial honoring the local Washington residents who died in World War I.

The "lovely red Vega" of the legendary record-settling pilot.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

An obscure public service from the U.S. government that redeems burnt, moldy, and soiled old greenbacks.

The controversial urban planner who designed Washington, D.C., was buried in Maryland, and can presently be found in Virginia.

Rumor has it the hot dog stand was targeted by two Russian nuclear missiles.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

The romance of early commercial flight still fills this Art Deco destination.

The rogue roots are gradually consuming some of the historic marble grave markers.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

Once forgotten and built over, this historic Black cemetery now houses a poignant memorial.

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

17,400 lbs., 12 feet in diameter, and 29 years in the making.