Ancient Peruvian fertility temple or modern money-making hoax? Either way these monoliths still look like penises.

Pre-Incan aqueduct amidst a stone forest in Peru.

A kitschy Italian medieval-style castle incongruously located amidst one of the most historic towns in the Peruvian Amazon.

A highland eco-park celebrates more than a thousand varieties of tuber.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

This small oxbow lake has rare giant river otters and some Seussian-sounding birds.

An abandoned Incan construction project left behind a mysterious "doorway."

The depictions of slaughter are surprisingly detailed at this mysterious ancient site.

An Inca spa, military outpost or maybe… both?

The sophisticated hydraulic system of the Nazca civilization.

The shockingly unspoiled Peruvian tomb of the Lord of Sipan was once guarded by a footless warrior.

After an epic flood washed away its enslavers, this city has been part ghost town, part cultural wildcard for the past three centuries.

Hundreds of mummies in a silent room, some with eerily pained expressions preserved on their faces.

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

This remarkably well-preserved Incan city managed to survive the conquistadores.

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.

Art school in the Amazon: Drugs, nature and sustainable agriculture.

A paradisical gorge with rapids, waterfalls, and wildlife whose raw beauty is the stuff of CGI movies.

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

This unimaginably large pile of sand near Nazca is one of the tallest dunes in the world.

An Archaeological Wonder of Peru, and the largest stone ruin site in the New World.

These delicate ruins need more tourists to keep them from fading away.

A painting in the historic Cathedral Basilica depicts Jesus and his disciples dining on a traditional Peruvian menu.