This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

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

Macabre astrological automaton clock dating to the late 1400s.

This 16th-century monastery was founded to cloister the daughters of wealthy local families.

This archaeological museum in one of Peru’s most intriguing regions exhibits ancient artifacts from the Nazca civilization.

The sophisticated hydraulic system of the Nazca civilization.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

The large collection of pre-Columbian pottery might make you blush.

This metal tower in the desert provides views of a handful of Nazca geoglyphs.

The mysterious "Candelabra of the Andes" could represent anything from a god's trident to a hallucinogenic plant.

The remains of what was the most important religious complex in coastal Peru for over a millennium.

The Uros people live on floating reed islands in lake Titicaca.

If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.

An unexpected desert oasis in South America.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

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

England's foremost purveyor of funeral furniture hasn't changed a bit since the 1960s.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

This centuries-old hotel hides a network of secret cellars and passages once used by smugglers.

One of the shortest streets in York has an especially odd name.

Gutted during the Liverpool Blitz, this architectural husk has been left destroyed in honor of the dead.

Part museum, part piece of Arthurian-inspired history, this stately hall attracts King Arthur fans from miles away.

Don't be fooled by this fake medieval facade even if it is almost 300 years old.