This nine-story building can be played like an instrument.

A psychological self-portrait in the form of a giant, segmented head.

Part of a WWII submarine is lurking outside the Washington Navy Yard parking lot.

The U.S. Navy’s preposterously detailed mini battleship took 77,000 hours to complete.

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

An unassuming, powerful monument north of the U.S. Capitol bears witness to the resilience of Japanese Americans during a time of grave injustice.

There’s a hidden military meme engraved on the World War II Memorial.

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

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

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

A giant light 13 feet high shines near Thomas Edison's old Menlo Park lab.

The nearly 120-year-old piece of pork wears a brass collar and was once a man's "pet ham."

A six-foot pair of socks hangs from a drawer of the world's largest bureau.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

A 1,100-ton train fell through the floor in 1953. Workers got it patched up in just 72 hours.

An easily overlooked memorial to a Ukrainian famine-genocide that killed over 4 million people.

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

The rooster who crossed the road lives on forever in Takoma Park, Maryland.

A benevolent, 16-foot-tall river dragon lives on a suburban lawn.

The house where John Wilkes Booth conspired with his co-conspirators.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

Once America's tallest structure, now a Baltimore landmark.

A winding district gerrymandered into the shape of a mantis.

Astonishing rock formations dot the Brimham Moor landscape.