Petra Jordan is an ancient city carved into the rock of the Arabian Desert. It is located in the country of Jordan and is one of the most famous archaeological sites in the world. It was discovered in 1812 by Swiss explorer Johann Ludwig Burckhardt and has since become a major tourist attraction. Petra is a UNESCO World Heritage Site and is considered to be one of the world's most important cultural heritage sites. It is a place of great beauty and mystery, and it is well worth a visit.