Hegra Mada'in Salih مدائن صالح Saudi Arabia Unesco site

Hegra Archaeological Site, Mada'in Salih, is an ancient Nabataean town in AlUla, Saudi Arabia. Located around 540 km (336 mi) southeast of Petra, the Nabataean capital, in Jordan, Hegra was once a prosperous trading town and a vital connecting point on the Red Sea trade route. Since antiquity, Hegra was located at the crossroads of civilizations. It was an essential stop for traders on the Ancient Incense Route, connecting Asia with the Mediterranean via the Arabian Peninsula. Hegra is the first UNESCO World Heritage Site in Saudi Arabia. Hegra is home to 111 massive Nabataean rock-cut tombs from the 1st century AD. The most iconic among them is  Qasr al-Farid or the Lonely Castle most famous tomb, Dating to the 1st century, the tomb of Qasr al-Farid is about 21 meters tall. It was built for Lihyan, the Son of Kuza, from an elite Nabataean family.