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

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

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

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

An ancient forest of the Paleocene Age turned to stone.

This stunning mass of ice spans 121 square miles and is still growing.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

Once swallowed by flood waters, this village has emerged as an eerie shadow of its former self.

Henry Ford's failed rubber plantation in the middle of the Amazon rain forest.

A former prison complex now displays a historic collection of inmate artwork.

One of the few places in the world where visitors can walk alongside fossilized tracks from 80 different dinosaur species.

This gravesite in the Amazon Rainforest was left behind by a failed Third Reich expedition.

This Brazilian astronomy museum allows guests to gaze at the stars through their telescopes each weekend.

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

The remains of a British railway rusting in the jungle mist of a Brazilian mountainside.

These termites have an large and deadly abode—impressive by day, dazzling by night.

This stunning Brazilian library contains the largest collection of Portuguese texts outside of Portugal itself.

Part of one of the largest flooded cavities on the planet, and littered with prehistoric animal bones.

The ruins of this Brazilian island prison still bear the scars of the bloody rebellion that closed it down.

The first model village in Brazil, built in 1917 to house workers at the jute sack factory.

The crypts are so large they're basically their own underground church.