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.

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.

Peru's (not so) mysterious carved stones.

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

A market for witches is hidden within a train station.

Hoax, mistake, or evidence of dinosaurs in human times?

A nightmare for the claustrophobic lies hidden in Southeast Asia.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

Ha Long Bay's "Cave of Surprises" houses a popular phallic rock formation.

Monument to a brutal, ineffectual US bombing campaign and a sobering reminder of the human cost of the Vietnam War.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

Home of the unusual art of water puppetry, one of Vietnam's oldest curiosities.

5,000 skulls in memorial to those killed by the Khmer Rouge.

Khmer Rouge's high security prison.

A battle between nature and architecture in the Cambodian jungle.

A treasure trove of pathological, forensic, parasitological, and anatomical specimens.

A forest of phallic offerings found in a quiet corner of a hotel car park.

Bangkok celebrated its shifting monarchy with a militaristic homage to democracy.

The headquarters of the Mahanikai school of Buddhism, Thailand's largest monastic order.

Monkeys lounge around at this 13th century temple.

The site where Poe “in great distress, and ... in need of immediate assistance” likely died.

The trials and tribulations of marking Poe’s grave.