The world's oldest continuously operating airport was founded by the Wright Brothers.

The 19th-century vessel floats proudly on Lake Titicaca, but its journey from Britain to the Peruvian altiplano was far from smooth sailing.

A brass plaque dedicated to a convicted cannibal hangs in the National Press Club, and that's not even the craziest part of the story.

‘Bush the old fire dog died of poison July 5th, 1869. RIP.’

One of the largest artillery pieces in the world sits in a Washington D.C. parking lot.

Three abandoned missile silos are hiding in plain sight behind a suburban development in Maryland.

On the Fourth of July this area will transform into a Pompeii-like storm of falling embers and ash.

A rotating cast of guys and dolls in front of a Washington, D.C. building.

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

The discovery site of the "Capitalsaurus," the official dinosaur of Washington, D.C.

A small triangle of DC grass is the final resting place of one of Sonny and Cher's songs.

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

A historic neighborhood church is reborn as a psychedelic arts collective.

This unacceptably tall building was the real reason for Washington, D.C.'s skyscraper ban.

Behind an abandoned storefront is an example of pioneering 1930s gas station architecture.

A celebrity from the late Cretaceous period.

Corn-inthian columns with a uniquely American take on neoclassical architecture.

An ear-piercing buzzer calls lawmakers to a vote with a series of long and short rings to form coded messages.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

The national park was once a plantation estate.

A fantastic array of trays and cables once whisked books over to the Capitol at 600 feet per minute.

Washington's iconic carousel has a nice piece of Civil Rights history.

A Civil War fort in the middle of Washington, D.C. has been swallowed by a forest.