The Los Angeles flood disaster that took 400 lives and ended the career of William Mulholland.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

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

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

This devil-dancing ceremony now celebrates a miraculous image of the Virgin Mary that appeared to a modern-day Robin Hood in a mineshaft.

Costumed elves and mountain bikers co-exist peacefully at this abandoned Christmas-themed adventure park.

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

Death rituals and sacrifice inside a Peruvian megalith.

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

Museum dedicated to the sacred leaf of the Andes.

A valley of unique erosion patterns lends to a view like nothing on Earth.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

Mountain of unimaginable riches that bankrolled the Spanish Empire, complete with its own underworld god.

A seemingly endless landscape of pure salt stretches far across Bolivia.

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