World Monuments Watch
 Every other year, World Monuments Watch makes a list of the 100 most endangered sites in the world. In compiling the roster, experts consider the significance of each site, the urgency of the threat to it, and the viability of a solution. Many of these places have been designated UNESCO World Heritage Sites, but that doesn't protect them from erosion, abandonment, development, weather damage, or from being loved too much—by tourists. Spin the globe and learn about our endangered cultural heritage. Start with these seven wonders and the causes that threaten to wipe them from our map.
- Giant stone Buddhas in Bamiyan, Afghanistan—erosion, human destruction
- Missions of Chihuahua, Mexico—abandonment, exposure to the elements
- Rock art of Dampier, Australia—industrial development
- Machu Picchu in the Urubamba Valley, Peru—development pressure, unchecked tourism
- Historic neighborhoods of New Orleans, United States—hurricane damage, limited resources
- Farnese Nymphaneum in Rome, Italy—biological attack, rain and flood damage
- Historic sites of Kilwa, Tanzania—rising sea, coastal erosion
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