Few people have ever heard of, let alone visited, one of Turkmenistan’s most impressive natural attractions.

17th century mosque for Shah Abbas' harem.

Putrefaction plateaus in Iran, where the dead were sent for decontamination before going to their final resting place.

Ancient structures used to make and preserve ice in the deserts of Persia.

This remnant of an ancient Persian city is considered to be the world's largest single-span brick vault arch.

Modern museum, designed for Jihadi tourists.

An intimate look into the apartments of Jounieh via cable car.

This modernist cinema has survived war and reconstruction to become a symbol of Lebanon’s revolutionary spirit.

This subterranean funicular is one of the world's smallest subways.

This abandoned bridge to nowhere stands secluded in the woods of a Cleveland suburb.

The largest salt lake in the Sahara is mysteriously alluring.

A seemingly simple canyon that was the backdrop to a number of famous movies.

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

An ancient burial ground believed to have been used for ritual sacrifice.

An abandoned film set location for a remote spaceport in a galaxy far, far away hides in the Tunisian desert.

Made famous by 'Star Wars,' these troglodyte homes face an uncertain future.

A 15th-century granary that played the role of futuristic slave quarters in the world of 'Star Wars.'

Buildings from the fictional planet of Tatooine still litter the Tunisian desert.

Reaching this rock formation involves a hike through rocky rapids and springs where wild turtles reproduce.

Sleepy fishing port not included on many maps.

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

The oldest monument in Marrakesh and the city's only surviving example of Almoravid architecture.

A mud brick kasbah with a history of lavishness and traitorship.

Numerous impressive carvings are embedded in the trees lining this street in Marrakech.