A 19th-century fortress and collection of artifacts offer a tour of Saudi history.

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

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

These desert alfalfa farms redefine the meaning of crop circles.

Lived-in building, bedecked with an astonishing array of mirror mosaics.

Wander among the ghostly ruins of an island where civilization flourished for thousands of years.

Kuwait City's uniquely designed water towers look straight out of a retro sci-fi cityscape.

The site of a bloody showdown between invading Iraqi forces and a cell of the popular resistance in Kuwait.

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

Al Rahmah Mosque appears to "float" atop the Red Sea.

This giant volcanic crater holds its very own field of salt.

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

Abandoned station along an ancient pilgrimage route.

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.

Carved into a towering rock mountain in Al Ula, this once served as a religious and political center in Hegra.

The rocks around this mountain are filled with so many carvings that the area became known as the "open library."

Lions carved into the rockface adorn these two tombs built into the mountains of Dadan.

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

The last place in Bahrain where you can get a custom-made dhow.

These 4,000-year-old tombs form a surreal landscape.

Skyscraper powered by wind turbines attached between its towers.

This underground art installation recreates an ancient date honey storeroom.

This centuries-old tree tells an unusual tale of vegetation and fertility in the desert.