Ethiopia's "smoking mountain" is in one of the hottest regions on the planet and is home to two lava lakes.

The hottest place on the planet.

An Ethiopian "Jerusalem" featuring a church hewn out of a single rock.

This underwater cave in Madagascar is home to what is thought to be the country's largest fossil graveyard.

Fabulous formations, weird and wonderful wildlife.

This picturesque island graveyard is the final resting place of dozens of notorious pirates.

The centuries-old trees lining both sides of this dirt road may become Madagascar's first natural monument.

These naturally balancing rocks were pictured on every Zimbabwean banknote, up to the 100 trillion-dollar note.

The stunningly blue waters of these beautiful caves also have a violent past.

The largest prehistoric ruins south of the Sahara, once a powerful center of international trade.

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

Thousands of Haitians travel to the waterfalls to ask the Virgin Mary of Mount Carmel and her voodoo counterpart Erzulie for healing in a yearly pilgrimage.

Broken Catholic cross now worshiped in the voodoo faith.

A macabre sculpture museum in the capital of Haiti fuses human bones with broken metal to create challenging contemporary art.

Former drug lord’s manor, now a theme park. Watch out for the hippos.

Cathedral carved out of salt, located a mile below the earth's surface.

This whimsical home made entirely from clay is basically a giant piece of pottery.

A magical world of elves and fairies tucked amongst the trees in Colombia.

An ancient city hidden in the heart of the Sierra Nevada mountains.

Colorful lights and mirror-like brine pools create trippy illusions within the historic mine.

Unparalleled stargazing, one of Colombia's best observatories, and a swimming pool can all be found in the middle of this ancient tropical forest.

An explosion of natural color known as "the river that ran away from paradise."

Enchanting cave with a river crashing through the roof.

The caldera of this mini-volcano has been turned into a naturally heated mud bath.