Nabataean Kingdom and is comprised of nearly 100 well-preserved tombs with elaborate facades cut into sandstone outcrops.

Current research suggests Hegra was the most southern outpost of the Romans after conquering the Nabataeans in 106 CE.

In addition to Hegra, AlUla is home to a series of fascinating historical and archaeological sites such as: an Old Town surrounded by an ancient oasis, Dadan, the capital of the Dadan and Lihyan Kingdoms, which is considered one of the most developed 1st-millennium BCE cities of the Arabian Peninsula; thousands of ancient rock art sites and inscriptions in Jabal Ikmah; and Hijaz Railway stations.