1. The Elephants and Rare White Rhinos of Garamba National Park, Democratic Republic of Congo
2. The Glaciers of Glacier National Park, Montana, U.S.
3. The Endangered Species of the Río Plátano Biosphere Reserve, Honduras
4. The Belize Barrier Reef Reserve System
What you'll see: Comprised of seven protected areas, the Belize Reef Reserve System is the second largest reef system in the world, second to only The Great Barrier Reef in Australia. Its clear waters are amazing for snorkeling and sea kayaking.
Why it's in danger: The World Heritage Centre lists challenges and threats as “over harvesting of marine resources, coastal development, tourism, industrial development and proposed oil and gas exploration and exploitation.”
5. The Mountains of Potosí, Bolivia
What you'll see: Made up of 1,192 islands, this country is only 8 feet above sea level. Hence all the luxury hotels made up of huts on stilts. The main attraction is the beautiful waters that make snorkeling, diving, or even seaplane tours the thing to do when visiting.
Why it's in danger: Rising sea levels and coral bleaching will put the country completely underwater in less than 100 years.
7. Christian Ruins of Abu Mena, Egypt
8. The Dead Sea, Israel
9. The Wildlife of Madagascar
10. Everglades National Park, Florida, U.S.
What you'll see: A network of wetlands and forests, the Everglades protects 800 species of land and water animals and contains 200 known archaeological sites. Most of the animal inhabitants can be seen on the boating and canoe trails that are marked throughout the park.
Why it's in danger: The loss of marine habitat and decline in marine species due to pollution has put this site back on the UNESCO World Heritage Danger List after it was removed in 2007.
11. The Forests of East Rennell, Solomon Islands
This post has been updated with the correct location of Glacier National Park in Montana. Now go explore!