article_snippet.sent: Standing isolated surrounded by the vast, golden north Saudi Arabian desert is a bizarre single rock castle, which has been lying undisturbed for centuries.
article_snippet.sent: And it is famous for standing completely alone.
article_snippet.sent: It is remarkable how The Lonely Castle has remained so preserved against the elements for over 1,900 years and this can be attributed to the dry climate.
article_snippet.sent: Nabataeans constructed Nabataeans massive stone buildings mainly from single pieces of sandstone, and carved from the top down .
article_snippet.sent: Petra displays similar architecture design to Qasr al-Farid, being carved out of a single stone body.
article_snippet.sent: Another Saudi Arabian Nabatean tomb, Qasr al-Bint, has been perfectly preserved in the dry climate.
highlights_snippet.sent: The single-rock tomb is incomplete and abandoned, but fascinatingly reveals structures were carved from top down .
  