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

Tucked in the back of this amazing antique store is an important piece of medical history.

A snapshot of the city's fascinating voodoo culture.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

Rippling sand dunes frozen in the Arizona rock.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

These fantastically named natural pools look like something out of a Scottish myth.

This massive library holds what was once the largest book collection in the world.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

A kaleidoscopic warehouse-maze of handmade neon signs.

France's most famous cemetery, with some of its most curious tombs.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

Elevated freight railway turned wildly successful urban park.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Most-visited and most-photographed slot canyon in the American Southwest.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

Resting place of Hollywood's immortals is also site of summer film screenings.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.