These unusual rooms on wheels are holdovers from the 1960s.

A convincing little bit of ancient Egypt smack dab in Richmond, Virginia.

The resting place of a Civil War celebrity's amputated limb.

Exact replica of the ancient monument, but much, much lighter.

The preamble to the U.S. Constitution written entirely from vanity license plates hangs in the Smithsonian museum.

Remnants of a storybook amusement park hidden behind a strip mall.

Comprehensive gaming collection of over 30,000 electronic games and consoles.

Rat sculptures try to infiltrate the Graybar Building in an architectural tribute to New York City's nautical history.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

A hotel and restaurant serving as the mecca of kitsch.

Home to Alan Turing, the cracking of the Enigma code, and Captain Ridley's shooting party.

There are owls with glowing eyes in Herald Square.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

Go take a picture with the inventor of the daguerreotype photographic process.

A museum dedicated to exhibiting remarkable outsider art.

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

Perhaps the most scandalous statue of America's first president.

This taxidermy horse was a Civil War hero.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

A terrific purveyor of natural history objects and curios.

A graffiti Mecca welcoming artists from around the world.

Piano-making empire filled with 200-year-old steam machines still churning out 1,000 instruments a year.