Ruins in Saudi Arabia

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

This former Portuguese defensive fort atop a hill was occupied for thousands of years.

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

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

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

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

Site where Moses may have received the Ten Commandments.