The colorful soil of Iran’s "Rainbow Island" attracts artists and nature lovers.

The largest prehistoric ruins south of the Sahara, once a powerful center of international trade.

The stunningly blue waters of these beautiful caves also have a violent past.

Rare pigmented engravings cover the walls of this Stone Age shelter.

A series of caves within the gorge hold artifacts from the Stone Age.

Now abandoned, this stone church was part of the missionary efforts that initiated the Christianization of Zambia.

This fascinating cave is packed with prehistoric rock art and Stone Age tools.

Arrogance and quarreling are forbidden near these three sacred waterfalls.

Zambia's smallest national park is home to one of the world's largest annual mammal migrations.

A secluded natural oasis hidden deep along a rainforest trail.

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.

One of the most detailed and historically accurate collections of Ugandan artifacts depicting Bahima tribal history, culture, and daily life.

Nestled in Uganda's Semliki Valley Wildlife Reserve, is a one-of-a-kind safari lodge.

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

The burial ground of four Buganda monarchs was nearly destroyed by a devastating fire.

An aeronautical-themed resort forged around rusty relics from the golden age of air travel.

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

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

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

A tribute to the man who lit himself on fire and ushered in the Tunisian Revolution.

The largest salt lake in the Sahara is mysteriously alluring.

Some believe this abandoned Brutalist masterpiece inspired George Lucas's Sandcrawler.

The ancient heart of Tunis is an enormous maze of narrow streets and alleyways.

Founded in 670, this ancient mosque is an architectural time portal.