Death rituals and sacrifice inside a Peruvian megalith.

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

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.

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

An unexpected desert oasis in South America.

Over a millennium ago, this site on the shores of Lake Titicaca was home to a city of more than 10,000 people.

On this tiny spot of land in the middle of Lake Titicaca the only ones who do the knitting are the men.

Mysterious Incan ruins on a tiny island in Lake Titicaca.

These ruined Incan mausoleum towers still bear carvings of sacred animals on their blocks.

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

Plundered and left asunder by grave robbers, this ancient necropolis has been painstakingly pieced back together.

The sophisticated hydraulic system of the Nazca civilization.

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 highest tropical mountain range in the world is in Central Peru, home to a vast array of exotic and quirky plants and animals.

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

During World War II, a number of important sculptures and paintings were moved to this castle for safekeeping.

A series of caves, tunnels, and wells filled with fascinating figures and symbols.

Where members of the Crossbow Corps of San Marino demonstrate their skills.

Psychoanalyst Carl Jung reported a paranormal experience after visiting this mosaic-lined Roman baptistry.

An incredible mosaic-lined monument said to have held the remains of an ancient Roman empress.

This 6th-century church has the largest and best-preserved collection of Byzantine mosaics outside Constantinople.

Numerous stone coffins from different centuries, lined up in a sixth century basilica.

A medieval castle was used for centuries as a hemp farm.

In this medieval church, a centuries-old stuffed crocodile hangs from the ceiling.