Petra, Jordan is the place in the desert that is prepared by God for the Jewish people. They will flee from the Antichrist when Jerusalem falls as referenced in "Prophecy: The Second Coming of Jesus Christ"
The woman fled into the desert to a place prepared for her by God, where she might be taken care of for 1,260 days. Revelation 12:6 (NIV)
The woman was given the two wings of a great eagle, so that she might fly to the place prepared for her in the desert, where she would be taken care of for a time, times and half a time, out of the serpent's reach. Revelation 12:14 (NIV)