Prowl through this sprawling bazaar under a massive Soviet-era dome for delicious eats.

An underground world of gorgeous, palatial metro stations designed as a nuclear shelter complex.

This spiritual landmark for practicers of Shamanism is drenched in milk and vodka and covered in blue scarves.

An ancient irrigation system that turned arid deserts into oases.

Set up in 1953, abandoned in 1978, and became a movie set in 2009.

The thirteen wooden beams protruding from this historical building were once part of a hydraulic clock.

This restored 17th century synagogue is one of the few remaining structures in Morocco’s ruined Jewish quarters.

The oldest known university in the world is in Fez, Morocco.

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

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

This small roadside eatery exists in both the Northern and Southern hemispheres, as the equator runs right through it.

A remote, centuries-old underground mosque with a lunar aesthetic.

These rugged, color-stained mountains hold the secrets of the Kazakh desert.

Mysterious spherical rocks in the semi-desert of western Kazakhstan.

Jurassic clays where the dinosaurs once roamed.

This small canyon is home to a treasure trove of geological oddities.

A shrine-like museum entirely dedicated to soccer superstar Cristiano Ronaldo.

A micronation on an islet along the coast of a Portuguese island.

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

These small, triangular, colorful houses are a staple of Madeira Island.

This unique rock formation is quite the local celebrity, although one day it may come crashing down.

A stunning example of traditional salt production set against a dramatic volcanic landscape.

An enormous public square and parade ground built to celebrate Ghana's independence.

The first mosque in Ghana is known as the "Mecca of West Africa."