The ancient city of Petra is located in southern Jordan. Known for its rock-cut architecture and intricate water conduit system, Petra was the capital of the Nabataean Kingdom and is considered one of the most important archaeological sites in the world. The city's stunning facades, such as the Treasury and the Monastery, are carved directly into rose-red cliffs, giving Petra its nickname, "Rose City." The site was rediscovered in the 19th century and is now a UNESCO World Heritage Site, attracting numerous tourists and researchers interested in its historical significance and unique architecture.