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

Despite the name, this unusual palace in rural Tunisia never belonged to an Italian dictator.

An awesome blend of traditional architecture and street art.

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

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

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

At the center of an island in the middle of the Indian Ocean is a deep chasm ringed by tall waterfalls.

At the foot of an active volcano sits a church miraculously spared by its lava.

On one of the world's most active volcanoes, a pebble-filled crater changes color with the wind.

Réunion Island's highest point is a two-million-year-old volcano and a paraglider's paradise.

Dating back to 1812, this is the oldest racecourse in the Southern Hemisphere.

This small group of sand dunes manages to pack in a strange rainbow of colors.

This monument sits at the foot of a mountain from which legend says enslaved people jumped to their deaths.

Dive into an undersea optical illusion off the coast of Mauritius.

Fine dining 20 feet below the surface in the Indian Ocean.

The exorbitant price of paradise.

First established in 741, this is one of the oldest Taoist temples in China.

Beijing's expansive subterranean hiding spot now crumbles away as a tourist destination.

The most famous location in China was home to whole dynasties worth of imperial rulers.

This smaller cousin of the Forbidden City has gone from ancestral sacrifice to tourist's whispers.

Why walk on this historical site when you can zoom down instead?

Ming Dynasty necropolis raided during the Cultural Revolution.

A railway station takeout shop sells boxed meals in containers shaped like trains and snowmen that hold the country’s abundant regional delicacies.

A tiny cafe that recreates the Japanese elementary school lunch experience.