A couple of ancient Greeks first wrote about the seven wonders of the world, but most people would admit there are a lot more than seven places or things on this planet, whether ancient or modern, manmade or natural, alive or inanimate, that would leave them in awe and wonder.

The United Nations has identified 1,121 such sites, landmarks or areas that have cultural, historical, or scientific significance, exceptional natural beauty, biological diversity or other outstanding international importance and deserve special protection.

But 53 World Heritage Sites are considered in danger, threatened or already seriously damaged by deterioration, development, tourism, climate change, abandonment, war, natural disasters and other calamities.

These are some of those places.

Above, roseate spoonbills in the Florida Everglades. Descriptions of the sites are from the United Nations Educational, Scientific and Cultural Organization (UNESCO.)

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