This South London cemetery holds the remains of more than 15,000 people.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The world's largest collection of witchcraft regalia.

The final resting place of New Orleans' most famous voodoo priestess.

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

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

A giant Troll lurks under one of Seattle's oldest bridges.

The oldest stone house in Paris was built by its most famous alchemist.

Hidden beneath the streets of London is a secret subway that only carried mail.

A trash dump made beautiful by nature's power.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

A walk through the historic city center, under the streets of Seattle.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

A church of bones, decorated with 40,000 human skeletons.

A layered tribute to the work of mosaicist Isaiah Zagar.

An old vending machine serves up unpredictable beverages from its seemingly magical insides.

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

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

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

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.