Archaeological Site of Cyrene, Libya: Significance: Cyrene was an important city in the Hellenic world.
Archaeological Site of Cyrene, Libya: Why it's endangered: UNESCO added the city—as well as five other Libyan sites.
Medieval Monuments, Kosovo: Significance: The site's four main buildings showcase the height of Byzantine-Romanesque ecclesiastical culture.
Medieval Monuments, Kosovo: Why it's endangered: UNESCO added these monuments to its list of World Heritage in Danger in 2006.
Liverpool Maritime Mercantile City, UK: The six areas in Liverpool's historic center and docklands were crucial to the development of a major global trading hub in the 18th.
Liverpool Maritime Mercantile City, UK: Why it's endangered: UNESCO placed it on the List of World Heritage in Danger in 2012.
Humberstone and Santa Laura Saltpeter Works, Chile: The two former saltpeter refineries in the remote Pampas of northern Chile served as a community for thousands of workers.
Humberstone and Santa Laura Saltpeter Works, Chile: Why it's endangered: UNESCO added the ghost towns to its List of World Heritage in Danger in 2005.
Historic Centre of Shakhrisyabz, Uzbekistan: Significance: Located on the the ancient Silk Road in southern Uzbekistan.
Historic Centre of Shakhrisyabz, Uzbekistan: Why it's endangered: UNESCO added it to the list of World Heritage in Danger in 2016.