Spinning silently in the lobby of an Art Deco masterwork is a massive vintage model of the Earth.

Everyone from Mark Twain to Teddy Roosevelt has a pipe hanging from the walls of this historic chophouse.

There are owls with glowing eyes in Herald Square.

A bit of retro transportation flair preserved in the world's largest department store.

The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.

Home of the unusual art of water puppetry, one of Vietnam's oldest curiosities.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Manatees congregate around a power plant's discharge canal where the water is especially warm.

This kitsch eatery is chock-a-block with bric-a-brac.

This small museum gives visitors a chance to soak up the history of the "sponge capital of the world."

Mysterious library of an infamous financier and spiritual seeker.

The statues commemorate the legendary mass killing of escaped circus monkeys.

The largest cemetery in the American Southeast is a hidden gem near the heart of Atlanta.

Where school buses go to die and be reborn as whimsical works of art.

More than five miles of underground passageways.

World's largest college campus includes a wildlife sanctuary and a former movie set on more than 28,000 acres.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

An underground magnet for ever-changing street art.

This home is decked out like a psychedelic explosion of colors and bowling balls.

Pensacola's UFO home has withstood many hurricanes—just as the experimental 1960s design intended.

This angular brutalist playground turns playtime into modern art time.

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

The ruins of a cotton mill that was burned in the Civil War are still hidden in a Georgia forest.