Mysterious 500-year-old tapestries depict a unicorn hunt.

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

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

New York City's smallest piece of private property.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

Elevated freight railway turned wildly successful urban park.

Try not to get slimed in Tribeca.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

The fifth-longest natural arch in the world, and the longest outside China.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

"I did this all while you were watching TV."

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

A museum devoted entirely to the rattlesnakes and snake-related art.

Shop for books in the New Orleans house where William Faulkner once lived.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

These pretty kitties killed and ate as many as 135 railway workers.

Years of archaeology, just chillin' by the water cooler.

The palatial McDonald's that inspired Wesley Willis.

Illegal drag racing two stories beneath Chicago’s streets.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

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