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.

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

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

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

In Zanzibar, a historic 19th-century palace is a reminder of the world's shortest war.

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

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.

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

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

Kenyan restaurant is a carnivore's paradise, serving exotic meats at its ultimate 'Beast of a Feast.'

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

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

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

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

Arrogance and quarreling are forbidden near these three sacred waterfalls.

A stone memorial marks the spot where the fighting of World War I finally ceased—three days after the armistice was signed in Europe.

A small cemetery on a hill overlooking Mbala contains the history of the town's colonial past.

A memorial in the middle of a roundabout marks the spot where German forces formally surrendered, finally ending World War I in Africa.

The propeller from the first steamship launched on Lake Tanganyika.

This old brick building has held everyone from prisoners of war to freedom fighters during its turbulent history.

This little-known colonial road helped determine the Zambia-Tanzania border.

One of the largest concentrations of rock paintings in Southern Africa.

A secluded natural oasis hidden deep along a rainforest trail.