Machu Picchu
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Due to its high altitude, extreme topography, and harsh weather conditions, the lost city is at high risk for erosion due to natural disasters. Preventative measures are being taken to make sure to site stays intact for as long as possible though and much of the money being brought in by tourism is used to keep its integrity.
Everglades National Park
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The beautiful and unique wetland wilderness at the southern tip of Florida contains the Western Hemisphere's largest mangrove ecosystem and largest continuous stand of sawgrass prairie. It is home to an exceptional variety of wading birds, reptiles, and numerous threatened species, such as the Florida panther and manatee. Urban development, industry, and agriculture pressures have destroyed more than half of the original Everglades and what remains has been on UNESCO's List of World Heritage in Danger since 2010.
Venice
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If your bucket list features a romantic gondola ride on picturesque canals, there's no time like the present to book a trip to Venice. Due to rising sea levels and natural tectonic processes, the stunning "Floating City" is sinking at a rate of one to two millimeters per year, according to a study by Scripps Institution of Oceanography. That translates to more than three inches over the next two decades.
14 Breathtaking Places to Visit Before They Disappear, Source:https://www.rd.com/culture/places-to-visit-before-they-disappear/
