article_snippet.sent: Qasr al-Farid or 'The Lonely Castle' has a sad tale, standing incomplete and abandoned, looking out of place in the vast, barren landscape.
article_snippet.sent: Now a UNESCO World Heritage Site, the ancient remains of Qasr al-Farid - a rock-cut tomb and part of an ancient Nabatean settlement - stands amidst imposing cliffs and striking rocky outcrop .
article_snippet.sent: The Nabatean Tomb in Madain Saleh is located in the northwestern region of the Arabian peninsula, in the middle of a vast desert landscape .
article_snippet.sent: The Nabatean Tomb in Madain Saleh is the largest of 131 monumental tombs, which were carved straight into rock in the city of Mada'in Saleh during the pinnacle of Nabatean era.
article_snippet.sent: Situated on a pre-Islamic archaeological site located in Al-Ula, is located on one of the major trading sites, which linked the south of the Arabian peninsula to the north.
highlights_snippet.sent: Qasr al-Farid or 'The Lonely Castle' has been standing strong since the first century AD .
  
highlights_snippet.sent: The Lonely Castle' is one of 131 tombs from the Nabatean Kingdom, located in the Al-Ula sector .