Petra, located in Jordan, is an ancient city carved into rose-colored sandstone cliffs that was once the capital of the Nabataean Kingdom. For centuries, the city's existence was unknown to the outside world until it was rediscovered in 1812 by a Swiss explorer. The impressive structures like the Treasury and the Roman-style theater were carved by the Nabataeans between the 6th century BC and 1st century AD from the area's soft rock. At its peak, Petra had over 30,000 inhabitants but was later abandoned after earthquakes destroyed much of the city in the 6th century AD. Today, it remains remarkably well preserved and is considered one of the new Seven Wonders of