Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

A beautiful bamboo trail tucked in this famous Japanese shrine.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

The largest greenhouse in the world is home to over one million types of plants.

An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.

The fountain marks the area where hundreds of accused witches were burned at the stake.

Peek through a transparent pyramid and drink in the mountain made of books.

A haunted hill that supposedly defied gravity.

The world of the ancient Celtic civilization explained through a bewitching 11 acre garden.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

This odd Chilean waterfall-cano hotel must be entered via a rope bridge.

A century-old network of freight tunnels underneath the city's historic business district.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

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

Climb right into the heart of this colorful Iceland volcano.

The final resting place of a space program monolith.

Nine Gardens in one—with tea service.

This lake in the Cascades lives up to its name, disappearing down a hole every spring.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.