Famous in both ancient and modern times, the "mountains of the moon" are legendary for their beauty and biodiversity. But they are threatened by the changing climate.

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

Uganda's smallest savannah park is home to over 350 species of birds and mammals.

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

One of the last refuges of the endangered eastern lowland gorilla.

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

A hiking/biking/exploring trail that winds across over 140 miles of Rwandan shoreline.

This breathtaking island on Rwanda’s Lake Kivu is a haven for thousands of fruit bats.

Life and death are on parade at the most reliably perilous site of “the Great Migration.”

A salty red wasteland in Tanzania is a breeding spot for endangered flamingos.

This rare volcano spews the strangest and (literally) coolest lava in the world.

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

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

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

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

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

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

Stay in your own little bubble.

Over the course of its history, this tiny island has held enslaved people in transit and served as a quarantine zone. Today, it's a giant tortoise sanctuary.

Sitting atop a rock on Michamvi Pingwe beach, this restaurant becomes its own island at high tide.

This sacred, circular cave is lined with pools so clear and still that it's hard to tell where the water begins.

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

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

Mosques carved from coral and dozens of well-preserved stone structures fill this 500-year-old Swahili trading center.