A little known Colombian theme park of giant curiosities.

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

Enchanting cave with a river crashing through the roof.

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

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

It took 160 years to complete the most ornate church in Ecuador.

This small uninhabited island offers Galapagos-like biodiversity.

This Ecuadorian cemetery is home to a jaw-dropping topiary wonderland.

These mammoth-yet-narrow crevasses in the Earth are perfect for taking an otherworldly swim.

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

The large collection of pre-Columbian pottery might make you blush.

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

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

Did Inca children also slide down these smooth rocky slopes above Cusco?

With nearly double the depth of the Grand Canyon, this Peruvian canyon is one of the deepest in the world.

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

The Uros people live on floating reed islands in lake Titicaca.

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

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

A remarkable geological formation resembling a forest made of stone.

This scalding hot river was thought to be a myth until one geoscientist made it his quest to study the mystical waters.

A remote candy-striped mountain in the Peruvian Andes straight out of the pages of Dr. Seuss.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.