1/10Unique Natural PlacesOne of earth's many incredible natural places, Hang Son Doong Cave in Vietnam was discovered just seven years ago. // © 2016 Oxalis Adventure Tours/Stephen Dang and Kevin LeeRead the Full StoryPreviousNext2/10Unique Natural PlacesThe Son Doong cave is so large that a block of skyscrapers could fit within its massive chambers. // © 2016 Oxalis Adventure Tours/Thuan ThangRead the Full StoryPreviousNext3/10Unique Natural PlacesThe abandoned town of Dallol is located in northern Ethiopia’s Afar Depression (also known as the Danakil Depression). // © 2016 iStockRead the Full StoryPreviousNext4/10Unique Natural PlacesHere, temperatures can climb up to 120-plus degrees Fahrenheit. // © 2016 iStockRead the Full StoryPreviousNext5/10Unique Natural PlacesThe Great Blue Hole in Belize features submerged stalagmites and stalactites. // © 2016 Belize Tourism BoardRead the Full StoryPreviousNext6/10Unique Natural PlacesIt was once a dry limestone cave system that later collapsed due to rising sea levels. // © 2016 Belize Tourism BoardRead the Full StoryPreviousNext7/10Unique Natural PlacesBrazil's Lencois Maranhenses National Park features thousands of aqua-colored lagoons tucked into dunes. // © 2016 iStockRead the Full StoryPreviousNext8/10Unique Natural PlacesExplore the dunes and lagoons of the national park — the result of a six-month-long rainy season — on foot. // © 2016 iStockRead the Full StoryPreviousNext9/10Unique Natural PlacesPreikestolen (Pulpit Rock) stands 1,981 feet tall in Norway's south Ryfylke district. // © 2016 Andreas Gruhle/VisitNorway.comRead the Full StoryPreviousNext10/10Unique Natural PlacesA two-hour hike brings adventurers to the top of Norway’s Preikestolen. // © 2016 iStockRead the Full StoryPreviousNext