Giant kites are flown during this Day of the Dead celebration in Guatemala.

A magically clear, blue river that seems to spring from nowhere.

Hidden deep in the Guatemalan jungle is a turquoise paradise of natural pools, caves, and waterfalls.

Fire meets ice at the southernmost volcano on Earth.

Cavernous opening completely encased in Karst limestone.

This huge pile of volcanic boulders hides a stunning network of secret grottoes.

Shop the world's largest number of ice cream flavors, ranging from delightful to downright bizarre.

A massive underwater sinkhole made famous by Jacques Cousteau.

This mountaintop lake bubbles and steams in a perpetual boil, thanks to its direct link to the Earth's interior.

A natural tidal swimming pool is ringed by bizarrely artistic lava rock formations.

These eclectic homes nestled into the cliffs of a Caribbean island were built entirely from scavenged materials.

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

Starting with nothing more than discarded conch shells, one man has built an island/bar that would make Jimmy Buffet jealous.

A gallery of underwater art that can be visited by man and fish alike.

An abandoned colonial French prison notorious for its hellish conditions.

Henry Ford's failed rubber plantation in the middle of the Amazon rain forest.

Massive sinkholes on a mountain in one of the most remote places in Venezuela.

The world's widest single drop waterfall, and the two men who legend says went over its edge in a boat.

This "floating island" plateau sits 7,671 feet above the forest floor.

An ever-growing field of footwear invites legends and more shoes.

Towns with a resource known as "white gold," valuable enough to fight a war over, now stand ghostly and empty.

A puppy slum that protects canines from the cruelties of the human slums.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

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