This recently restored crypt was once plagued by liquefying coffins and exploding caskets.

Head underground and take a tour of the city's working sewer system, and see the underground river Senne, which defined Brussels for centuries before being covered in the 19th century.

An open-air sewer system that was covered piece-by-piece over 300 years.

Take a leisurely walk through the park to find the seven giant troll sculptures hidden throughout the park.

Climb inside an iron crystal magnified 165 billion times its normal size.

The subtle science of a master molecular gastronomist.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

A hip bar decorated with walls of golden skulls.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

A little-known hot spring haven right below the highway.

This portion of a lovely Belize beach is infested with (harmless) sharks and rays.

An abandoned vacation home spent a decade taking on legends. It's now taking on water.

Tropical paradise strewn with hundreds of World War II wrecks.

This small museum gives visitors a chance to soak up the history of the "sponge capital of the world."

Visitors flock to see this church tower's unintended feature: It happens to resemble a giant chicken from multiple points of view.

A luxuriant botanical garden below sea level.

Possibly the world's only drive-in movie theater with an attached motel.

Sparkling, calcite-covered skeletons of children who may have been sacrificed to appease an angry god.

The ruins of an important pilgrimage destination for worshippers of a Maya fertility goddess.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

This massive, beautifully-lit underground quarry leaves visitors in awe.

If you forgot something to read during your trip to Tokyo, this hostel has you covered.