A memorial to the victims of Argentina's "Dirty War."

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

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

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 historic, palatial theater is now one of the world’s most beautiful bookstores.

Pablo Neruda's custom-built lover's nest was made to remind him of the sea and named after his mistress' hair.

A museum founded to reflect on and remember the human rights abuses under Chilean dictator Augusto Pinochet.

In the most arid desert on the planet, the world's leading telescope allows astronomers to see more than has ever been seen before.

A sculpture of a giant hand reaches for the stars in the middle of the Atacama desert.

This Japanese-inspired labyrinth of hot springs is hidden in a Chilean forest.

The largest stone moai on Rapa Nui.

This odd Chilean waterfall-cano hotel must be entered via a rope bridge.

Mother Nature outdoes herself with this stunningly beautiful set of caves carved into marble.

The soaring gondola lines form the longest aerial cable car system in the world.

This devil-dancing ceremony now celebrates a miraculous image of the Virgin Mary that appeared to a modern-day Robin Hood in a mineshaft.

The celebrity luchadores of La Paz are tough ladies in traditional petticoats and braids.

A desert that evokes the surreal.

Death road of Bolivia.

Largest site of dinosaur footprints ever found includes more than 5,000 tracks.

This red lake 4,000 meters above sea level is home to rare flamingos.

A valley of unique erosion patterns lends to a view like nothing on Earth.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.