Petra,

 one of the most Mysterious Archaeological Sites on Earth

Petra (Arabic: البتراء, Al-Batrāʾ, Ancient Greek Πέτρα) is a historical and archaeological city in the southern Jordanian governorate of Ma'an, that is famous for its rock-cut architecture and water conduit system. Another name for Petra is the Rose City due to the color of the stone out of which it is carved.

http://youtu.be/JXcF2AAkGVo

The site remained unknown to the Western world until 1812, when it was introduced by Swiss explorer Johann Ludwig Burckhardt. It was described as "a rose-red city half as old as time" in a Newdigate Prize-winning poem by John William Burgon. UNESCO has described it as "one of the most precious cultural properties of man's cultural heritage". See: UNESCO Intangible Cultural Heritage Lists. Petra was chosen by the Smithsonian Magazine as one of the

"28 Places to See Before You Die."

In Bible-prohesy Petra is named as the last resort for the remaining true believers who are still fighting the forces of evil. commanded by the Anti-Christ.

the second coming of christ