As one of the world's largest hydroelectric dams this plant took two countries to get built.

You have to know where to look in this rather ordinary-looking square to find hints of its past as a dissidents' cemetery.

The most southern point you can drive to in the Western Hemisphere.

The inspiration for the Patagonia Clothing logo, Cerro Fitz Roy turns pink at sunrise.

A bright little alley in La Boca is a part of tango history.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

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

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

This 16th-century monastery was founded to cloister the daughters of wealthy local families.

This archaeological museum in one of Peru’s most intriguing regions exhibits ancient artifacts from the Nazca civilization.

These ruined Incan mausoleum towers still bear carvings of sacred animals on their blocks.

It took 82 years and four different plaques to finally get the story right.

On this tiny spot of land in the middle of Lake Titicaca the only ones who do the knitting are the men.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

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

A painting in the historic Cathedral Basilica depicts Jesus and his disciples dining on a traditional Peruvian menu.

This stone complex marks the urban center of a lost civilization.

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.

Huge stone depressions which may have acted as an Incan agricultural experiment.

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

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

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