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

Buildings from the fictional planet of Tatooine still litter the Tunisian desert.

A Buddhist temple to honor insects that died for science.

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

The entire length of the border is marked by a 20-foot-wide slash through the trees.

A remote candy-striped mountain in the Peruvian Andes straight out of the pages of Dr. Seuss.

Eighteen miniature death-scene dioramas.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

The second largest maple syrup producer in the U.S. runs a high-tech operation.

The Citrus Variety Collection at UC Riverside contains two trees of each of the 1,000+ varieties of citrus.

A nightly tradition fills the streets of Flogsta with a collective scream.

A cave covered with bizarre stalactites of cloth.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

A pagan tradition of draping trees with rags eerily lives on.

Norway's chilly all ice-instrument festival.

During an annual Catholic feast in this tiny Spanish village, men dressed as devils leap over rows of babies to cleanse them of sin.

Ain't no party like a ghost town party.

During this Shetland Islands celebration, hundreds of torch-carrying "guizers" lead a procession to burn a viking longboat.

Fish raining from the sky are the cause of a yearly celebration in this small Honduran town.

Host to the annual Festival of the Snakes.

A giant, bloody battle rages throughout the Bolivian Andes each year.

There is nothing like a religious festival celebrated with blow-up sledgehammers.

A spectacular annual festival centers around humans throwing molten iron against a wall at night.