Pre-Incan aqueduct amidst a stone forest in Peru.

The outside of this exposed Moche pyramid is covered with striking colorful adobe friezes.

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.

The world's fifth tallest waterfall is a spectacular silver chute of water that cuts through the cloud forest in northern Peru.

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

This well held a sacred source of water supposedly unleashed from the barren rocks by a wizard-like archbishop.

These giant mummies are set ominously into a Peruvian cliffside and topped with real human skulls.

Cathedral carved out of salt, located a mile below the earth's surface.

Unparalleled stargazing, one of Colombia's best observatories, and a swimming pool can all be found in the middle of this ancient tropical forest.

Colorful lights and mirror-like brine pools create trippy illusions within the historic mine.

The caldera of this mini-volcano has been turned into a naturally heated mud bath.

Enchanting cave with a river crashing through the roof.

This picturesque mansion has gone from opulent ruin to nature museum.

A dangling church built over a Colombian gorge.

An explosion of natural color known as "the river that ran away from paradise."

No one knows for sure why this town's dead refuse to rot.

The centuries-old trees are draped with Spanish moss to make them look like wizened elders.

This Bogotá museum houses the world's largest collection of pre-Columbian gold relics.

Hidden amid the tropical forest in the Caribbean Sea are the decaying ruins of the Cocaine King's luxurious island party home.

Would you dare to dangle from a great height in a wooden basket?

Located outside Medellín, this Colombian park focuses on conservation and sustainability.

Pilgrims each carried a brick to the top of Mount Monserrate to help build this historic sanctuary in Colombia.

This colonial town in Colombia sits around the largest stone paved square in South America.