The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Psychedelic murals coat the inside of a nondescript research library.

Notorious artist squat renovated into legal studios.

This artificial cave looks like something out of a fairytale.

Walk through Czech history in Prague's largest graveyard.

These unusual paintings give thanks to the saints and deities who granted people favors and miracles.

According to myth, Zeus himself was hidden in this cave to escape being eaten by his dad.

The 14th-century ruins are said to contain healing powers.

A museum of alchemy and a basement laboratory all housed in an ancient building in a Gothic tower.

A museum and shop on Bourbon Street located in the French Quarter.

The ceiling of Prohodna Cave in northern Bulgaria affords a peek at the sky via two deity-sized-eye-shaped holes.

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

A collection of Witchcraft artifacts and occult paraphernalia started by the leader of the Long Island Coven.

Lithuania's outdoor sculpture trail of wooden folk art.

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

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

This disappearing geyser has been attributed to witchcraft, but really it's all about rainfall.

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

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

One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.

These layered sandstone mountains in China look like they are made of pressed crayons.

The ancient settlement attracts tourists from all over looking to learn about the Chinese vision of the afterlife.

For those with no fear of heights: a skywalk 4,700 feet up on a Chinese mountain.

A canvas of crops grow from vibrant red soil in this terraced farmland.