The world's only facility where orphaned mountain gorillas are cared for.

The most biologically diverse protected area in Africa is also the most dangerous.

The "Versailles of the Jungle" built by a dictator is now a decaying shadow of its hubristic grandeur.

Mount Nyiragongo has erupted at least 34 times since 1882 and is home to the world's largest lava lake.

This moss-covered, rocky outcropping looks like a mythical beast resting in the water.

Legend says this remote, “bottomless” lake was created by a curse.

Camels and crocodiles share the black waters of this stunning Saharan oasis.

These natural wonders have taken millennia to form into the stunning marvels they are today.

This mosque is an enduring symbol of Central African Republic's rich Muslim heritage.

Amidst political unrest, this Roman Catholic Cathedral has helped organize peace talks.

This ship carrying cargo and four church bells for the Catedral Metropolitana Nossa Senhora Aparecida ran aground in 1968.

Rolling sand dunes of the Sahara... in the middle of the Atlantic Ocean.

The old ceramics factory on Boa Vista shows the power drifting sand has to destroy buildings.

An incredibly salty lake inside the crater of an extinct volcano.

Deadliest lake in the world suffocated over 1,746 people in one night.

Spirits from these lakes are said to produce the local weather and odd phenomena as they bicker between themselves.

These mysterious 1,000-year-old walls have revealed little about their past.

In this African village, the walls of the chief's compound are painted with beautiful traditional designs.

Spanning over 10,000 square miles, this ancient salt pan is one of the largest on the planet.

An enchanting rocky island of scraggly baobabs surrounded by an ancient sea and sprawling salt pans.

This subterranean town of over 50 dwellings lies thirty feet beneath the Earth's surface.

Dozens of snakes are housed and worshipped within the walls of this Vodun temple.

Abandoned ships along a deserted beach feel like the set of a post-apocalyptic thriller.

The abandoned tanks along this highway are all that remain of a deadly conflict.