Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.

A monument to the conquistador became increasingly controversial in the very city that he founded.

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

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

Lima’s Museum of Anthropology is lined with thousands of elongated human craniums.

It took 82 years and four different plaques to finally get the story right.

A backdoor to Machu Picchu that only the most foolhardy infiltrator would attempt to breach.

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

This bullring in Lima is the oldest in the Americas and the second-oldest in the world.

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.

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

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

These steeply terraced ruins are a stop along the Inca Trail to Machu Picchu.

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

The sophisticated hydraulic system of the Nazca civilization.

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

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

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

Nazca pilgrimage site covering 370 acres is a popular stop for archeologists and looters.

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

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.

One of the world's tallest waterfalls wasn't revealed to the world at large until 2006.

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