Neo-cave art on the macro scale.

This imposing memorial contains the remains of Che Guevara — and 29 other guerrillas who died with him in Bolivia.

A colorful narrow alley in Cuba is full of street art and sculptures made of found objects.

His music once banned in Communist Cuba, John Lennon is now immortalized in bronze by Castro, who considers Lennon a "fellow dreamer."

Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.

The house that birthed The Old Man and The Sea is now a museum devoted to the old man who wrote it.

In terms of history and architecture, this is one of the most remarkable cemeteries in the world.

This subterranean disco dance club in a Cuban cave comes with bright lights and a dark legend.

A Spanish-style estate that has traded black ties for rock concerts.

Road signs in Namibia mark the location of one of the five major circles of latitude.

Welded sphere dropped from space.

Ancient artists in the middle of nowhere.

The remains of diamond fever taken over by the desert.

The capital of the Cayman Islands is a center of offshore banking, but gets battered by blistering hurricanes.

The decaying remains of a ship whose captain mysteriously disappeared.

A massive maritime collision may have led to the myth of a resort island's strange financial status.

A glowing underwater cliff attracts marine life and divers in equal measure.

Send a postcard while vacationing with Satan.

Where a rare geological phenomenon created a section of rock that resembles a checkerboard.

The world's smallest drawbridge.

A tropical paradise once home to space exploration and military installations.

Storms, funding, and in-fighting have kept this Bermuda church from ever being completed.

A Barbados crypt where it's said that the coffins refuse to stay put.

This popular tourist cave was ignored for almost 200 years before being mined into an attraction.