Places Ovrdoseofdanger Wants to Go

A galaxy of glowworms—larvae of a gnat—hides deep in the belly of these caves.

This gracefully curving formation looks like a massive wave that was suddenly turned to stone.

Sloth rehabilitation center in the jungle of Costa Rica.

This amazing pedestrian suspension bridge in the Swiss Alps would give Indiana Jones nightmares.

The bright red stripes streaking across the rocks are the star feature at this Icelandic waterfall.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

The world's second largest single-dish radio telescope, once used to contact E.T.

The abandoned remains of this once-thriving hotel looms over the city, awaiting an uncertain future.

Invading U.S. troops were first seen from this now-abandoned tower, leading to the Spanish-American War.

The world's brightest bioluminescent bay.

Rusting, graffiti-covered tanks litter the beach of this island, once used by the U.S. military for target practice.

This small primate research island is teeming with playing, fighting wild monkeys.

Take a dip beneath the stalactites in this amazing cenote.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

Every equinox this Maya pyramid puts on a spooky ancient light show.

A small collection of iguana-infested ruins hides amid Cancún's bustling hotel zone.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

Colorado's only true geyser is hidden within the San Juan National Forest.

Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.

This Japanese-inspired labyrinth of hot springs is hidden in a Chilean forest.

This elegant arc of a waterfall marks a religious turning point.

The most powerful waterfall in all of Europe.

Every summer local children form "pysja patrols" to save young birds that have wandered from their nests.