Petra, Jordan is so old that it’s mentioned in the first book of the Old Testament. In Genesis, Petra is called Seir, and it was the home of the cave-dwelling Edomites. During the Exodus, Moses led the Israelites through Petra, where he struck the rock with his staff and brought forth water. It was an important post in the caravan route linking Damascus and the Red … [Read more...] about Troglodytes, Moses and the Holy Grail