The famous ancient city located in Jordan is Petra. Renowned for its archaeological significance and stunning rock-cut architecture, Petra was once the capital of the Nabataean Kingdom. Its most famous structure, Al-Khazneh, or "The Treasury," showcases intricate façade carvings and has been a UNESCO World Heritage Site since 1985. Visitors are captivated by Petra's unparalleled beauty, historical context, and the ancient water conduit system that demonstrates the ingenuity of the Nabataeans in adapting to the arid desert environment. It remains a significant cultural and historical landmark today.