This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

A marvel of Byzantine engineering under the streets of Istanbul.

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

Huge stone depressions which may have acted as an Incan agricultural experiment.

This Peruvian canyon is filled with geometric salt pools that have been being harvested since the Incan empire.

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

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 Uros people live on floating reed islands in lake Titicaca.

A market for witches is hidden within a train station.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

Now containing the bones of the actual conquistador, instead of someone else.

A museum dedicated to the German scientist who revealed the significance of the mysterious Peruvian Nazca Lines.

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

An unexpected desert oasis in South America.

Every equinox this Maya pyramid puts on a spooky ancient light show.

If you can look past the nearby sewer pipes, this urban sinkhole grotto is a mini-paradise.

These azure waters were thought to lead to the Mayan Underworld.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

Frida Kahlo's childhood home, now a museum of her life and works.

A museum in the former home of Marxist revolutionary Leon Trotsky.

Gilded heaven for philatelists and architecture freaks, still in full working order despite sitting atop tremulous ground.

A Mexican Romeo-and-Juliet-esque legend has given this super-narrow alleyway a reputation for romance.