Where is the World Heritage city, once a capital in Nabataea and now a major archaeological site for Roman, Byzantine and Muslim ruins with further ancient Nabataean and Roman monuments, Christian churches, mosques and Madrasas?
The Messel Pit was bought by the state of Hesse, Germany, and declared a UNESCO World Heritage Site in 1995 as being the single best site for plant and animal fossils from which period?
Which UNESCO World Heritage Site in India covers the greatest land area, and is considered one of the "hottest hotspots" of biological diversity ?
