The hottest place on the planet.

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

An otherworldly restaurant perched on the edge of a jagged cliff next to a medieval holy city.

The world’s largest permanent desert lake is a UNESCO World Heritage Site.

This colonial fort is an intriguing example of Renaissance military architecture.

Strange sandstone canyon known as the "place broken by itself."

Drink and dine in a coral cave that's at least 120,000 years old.

A salty cave excavated by elephants and the location of a deadly disease vector.

Abandoned city hidden from the world by tropical forest and isolation on the coast of Kenya.

A strangely forgotten claimant to the much contested title of "Source of the Nile."

This small roadside eatery exists in both the Northern and Southern hemispheres, as the equator runs right through it.

Where the White Nile River dramatically cascades between Lake Kyoga and Lake Albert in Uganda.

The home of half the world's population of critically endangered mountain gorillas.

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

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

See hundreds of herons and egrets in the heart of the city in this dreamy hidden park.

The runoff from these fiery cliffs sends red water flowing into the sea.

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.

The world's first and only natural nuclear reactor.

The culture that built these Tanzanian ruins displayed advanced knowledge of irrigation technology before mysteriously disappearing.

These strange piles of magnetized volcanic ash travel across the desert about 50 feet per year.

Freddie Mercury's childhood home is now a monument to the iconic Queen rockstar.