A sinkhole and now a swimming hole, too, full of dazzling turquoise water.

Hanging over one of Japan's "hidden valleys," these vine bridges must be remade every three years.

The magical, mossy forest that inspired Princess Mononoke.

Legends surround this jagged rock formation in the New Mexico desert.

A book bound in the skin of an infamous criminal, along with countless other specimens.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

A cluttered and astounding collection of antiquities and curiosities.

A kaleidoscopic warehouse-maze of handmade neon signs.

A reconstructed medieval gateway that was the magnificent entrance to the capital city dating back to 1037.

The century-old plant starred as the villainous clown's lair in the miniseries based on Stephen King's "It."

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

A town church once nearly submerged by the damming of a river is now hauntingly visible as the water recedes.

Nature took her revenge on the "Wickedest City in the World."

The tragic reality of a town riddled with rumors of haunts, chemical spills, and serial killers.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

A fairytale Gothic castle steeped in Nazi treasure conspiracy theories.

Anyone wanting to know what a dwarven mine sounds like need only visit the tunnels of this New Zealand artillery compound.

Handcrafted thermal spa washes away each night with the tide.

These phallic stone spires once served as Tolkien's Paths of the Dead.

The oldest Buddhist monastery in Mongolia has survived centuries of invasions, political shifts, and religious purges.

You'd never know the houses at 23-24 Leinster Gardens were fakes—until you see the train tracks on the other side.

Be(w)ar(e) the moat around this historic Czech castle.

A mysterious monument where a woman who records say never existed was burnt alive for being a witch.

Dr. Strangelove-esque tours reveal the inside a bunker once reserved for Stalin himself.