The former home of Samuel Clemens and family remembers the happiest period of the author's life.

A modern-day Lascaux cave underneath Paris.

Burial site of the world's most widely known researcher on the endangered mountain gorilla.

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

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

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.

A remote island settlement off the coast of Tanzania is a storied archaeological site with an ancient past.

This slowly crumbling mansion was home to one of East Africa's richest and most powerful slave traders.

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

This monument is a stark reminder of the horrors of the Zanzibar slave trade.

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

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

Human ancestor’s 3.6 million year-old footprints.

An exquisite and eclectic selection of African masks stands out within a massive woodcarving marketplace.

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

Stunning ruins of what was once the center of one of the greatest empires in East Africa.

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

After sunset the heart of Zanzibar's historic Stone Town neighborhood transforms into a culinary playground.

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

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

Kenya’s oldest town is more than 700 years old and home to 6,000 donkeys.

Located in Nairobi National Park, this animal orphanage is the oldest of its kind in Kenya.

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

The farmhouse owned by the Danish author who wrote "Out of Africa" is now a museum honoring her legacy.