This "witch's market" is filled with Amazonian herbs, remedies, and the occasional libido-strengthening tincture.

In a past life this steamboat hauled rubber and passengers up and down the Amazon.

This small city park is best known for the nightly convergence of thousands of shrieking parakeets.

This anthropological museum offers a glimpse into the lives of the Indigenous peoples of the Amazon River Basin.

This striking, two-toned confluence of rivers is visible from space.

The only restaurant serving indigenous foods from the Amazon.

A beautiful opera house in the heart of Amazonia has recently restarted performances after a 90-year hiatus.

The forgotten tomb of the Peruvian rubber baron who was the inspiration for Werner Herzog's epic film "Fitzcarraldo."

This iron building in the Amazon allegedly shares an architect with the Eiffel Tower.

Queen of the waterlilies, so big and strong it can support the weight of a human.

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

From a 1930s bathing beach to a 1970s dumping ground, this stretch of Buenos Aires is now its largest and wildest reserve.

Towns with a resource known as "white gold," valuable enough to fight a war over, now stand ghostly and empty.

Walk on a glass floor suspended over ancient mummified remains.

Legends surround this jagged rock formation in the New Mexico desert.

A house once used to feed orphans of a brutal conflict now serves as a museum honoring its victims.

A Bolivian sculptor known for crafting thousands of stone spheres turned his home into a work of art.

Once the largest source of mercury in the Americas, these ruins earned the name “Mine of Death.”

Once the center of the largest missionary operation in South America, this convent now hosts a museum and library.

Death rituals and sacrifice inside a Peruvian megalith.

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

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

In La Paz's huge, city-sized cemetery, the deceased are stored in rows of apartment-like buildings.

Mysterious Incan ruins on a tiny island in Lake Titicaca.