A tiny microvalley etched into the side of Knocknarea Mountain hides another world.

Try not to get slimed in Tribeca.

A seemingly endless landscape of pure salt stretches far across Bolivia.

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Stunning wetlands ablaze with pink lotus flowers.

The seamy, underground secrets of Portland's criminal past.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

Staves, storm-calling, and of course, necropants.

Eighteen miniature death-scene dioramas.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

A snapshot of the city's fascinating voodoo culture.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

Hot springs monkey spa in the middle of Hell's Valley.

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

A one-of-a-kind collection of a unique medium.

Dramatic river bend surrounds a natural red-rocked pedestal.

Mother Nature outdoes herself with this stunningly beautiful set of caves carved into marble.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

A swing to dangle you off the very edge.