One of the tallest waterfalls in Africa is also home to a population of monkeys who enjoy the waters and the occasional guest.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

The largest madrasa in Morocco once housed more than 900 students within its exquisite walls.

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

This glass skywalk offers vertiginous views down the volcanic cliffs to the beach below.

A 900-year-old village located in the highland of the Asir region that features historic architecture.

For centuries, Jeddah’s old town was a major trading port and a point of entry for Hajj pilgrims traveling by sea.

A network of tunnels runs underneath the buildings of this ancient village.

An archaeological site believed to be the burial place of the "mother of us all."

These towering cliffs jut dramatically from the middle of a barren desert.

Village of slate houses, built on a white marble outcrop.

Within the Saudi Arabian desert lies a 2,000-year-old ghost town made of stone and mud.

More than 100 monumental tombs carved into rock are preserved at this ancient Nabataean site in the Arabian Desert.

An unfinished tomb carved into a giant boulder in the Arabian Desert.

A haunting collection of sunken wooden barges litters this Italian river bend.

The small peaceful island off the Venice tourist circuit is where the city began more than 1,500 years ago.

The abandoned military base looks like a post-apocalyptic wasteland.

This Hungarian stilt village is built in a lake that never freezes over due to the power plant that that uses it as a cooling pond.

One of the largest barracks of the Austro-Hungarian monarchy's military is now an abandoned ruin.

A much-loved sculpture depicting the hero of a 1956 anti-Soviet uprising.

A relic of World War I that now exist as a piece of public art.