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

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

A beautiful deserted greenhouse in the middle of a park.

Spanish religion mixed with local architecture has yielded a network of churches unlike any other.

Stenciled handprints and wall paintings dating back 10,000 years, some of the earliest forms of cave art.

The rusty hull of this 1899 ship serves as a tribute to explorers of the bottom of the world.

A display of hand-built replicas of the legendary vessels used by Patagonian and Antarctic explorers.

The geographical center of Chile is a port so depressing that it has driven men to suicide.

This sculpture pays homage to sailors that perished attempting to round Cape Horn.

This haunting ghost ship stands beached in the waters off the coast of the Falkland Islands.

The southernmost Anglican cathedral in the world has whale bones standing in its yard.

The world's most remote permanent settlement on an active volcano.

It might not be as impossible to reach as its name would imply, but just about.

Final resting place of Antarctic explorer Ernest Shackleton.

A chilly monument dedicated to the French explorer, Jean-Baptiste Charcot.

The best place to send your postcards home from Antarctica.

One of the world's southernmost bars.

An abandoned whaling station on an active volcano offers hot springs in Antarctica, surrounded by ruined giants of industry.

Nature is leading a successful mutiny on this century-old freighter.

A sparkling sandstone cliffside that's worth a visit while it still exists.

An abandoned railroad tunnel is now filled with bioluminescent bugs.

This massive water spout has been luring visitors for hundreds of years, some to their death.

These sea cliffs are an epic natural wonder.

This roadside attraction became locally famous for its unintentionally phallic shape.