A bypass decorated with large wooden troll carvings.

This cave holds a surprisingly colorful variety of geological oddities.

A bizarre house filled with an astounding array of collections.

This trio of Dominican cave lakes comprise a colorful biosphere of natural life.

Renowned restaurant tucked in a cave once occupied by buccaneers.

Hundreds of pieces of ancient Taíno art cover the walls of this Caribbean cave system.

The royal seat of Henri Christophe, a formerly enslaved man who became Haiti's only king.

Millions of glowing microscopic organisms light up the waters of this luminous lagoon.

Nature took her revenge on the "Wickedest City in the World."

Besides being home to cave paintings and pre-Columbian Cuban archaeological remains, you get to take a boat through this stalactite and stalagmite covered cave.

This island hill is strewn with boulders carved by shipwreck victims from the age of sail.

A full-scale sculpture of a mermaid and baby grand piano hidden underwater by David Copperfield.

These two giant boulders mysteriously perched on a 60-foot cliff may have been slung up there by a raging tsunami.

The world’s largest underwater sculpture is found just off the coast of Nassau.

Inhospitable caverns just beneath this island paradise offer insights into alien worlds.

A steamer run aground near Bimini lives a second life as a playground for scuba divers.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

Easter in Westminster may be the only time and place to behold Edgar Allen Poe made entirely of Marshmallow Peeps.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

This legendary "evil" doll has been haunting the citizens of Key West for over 100 years.

Six miles off the coast of Key West, a former military transport ship is now one of the largest artificial reefs in the world.

For divers and music lovers, the Florida Keys' Underwater Music Festival provides the best of both worlds.

Stay in a room with a view... of the bottom of the ocean.

After a long career, a disastrous sinking, and a half-successful salvage, this Naval vessel-turned-artificial reef ended up exactly where she was supposed to—with a little help from nature.