Climb around the high waterfalls on series of iron ladders and bridges within the wildest gorge in the Slovak Paradise.

The ruins of a 13th-century monastery that long served as a place of refuge from wars and raids.

A former top secret nuclear fallout shelter now operates like a hotel stuck in the Cold War.

A trio of hidden hot tubs takes advantage of Iceland's natural geothermal vents.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

Learn the history of Dominican rum production.

Amsterdam's Red Light District leaves little to the imagination.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

Hans Christian Andersen for the postmodern world.

This staircase full of Mayan hieroglyphics is perhaps the largest single text in the world.

An abandoned factory along the Mississippi coated by a giant mural.

A kitschy, creepy St. Louis mainstay.

This 15-foot former Johnny Appleseed has given up his apples for donuts and coffee.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

After the attack on Pearl Harbor, rocks and fossils from every U.S. state were collected into a pyramid of national unity.