Stunning sinkholes - beautiful and dangerous
Photo courtesy of iStock / JoseIgnacioSoto Sinkholes are found around the world Sometimes, what looks like solid ground suddenly collapses to create some of the world's most spectacular natural sights: sinkholes, blue holes and cenotes. These fascinating natural phenomena are both beautiful and dangerous. Photo courtesy of E+ / Mlenny Great Blue Hole | Belize The nearly perfect circular sinkhole known as the Great Blue Hole has become one of the world's top dive sites . The 1,043-foot-wide hole came to be after an above-ground cave collapsed some 15,000 years ago. Today, it's a UNESCO World Heritage site and a great spot for beginner divers. Photo courtesy of iStock / Dreamframer Blue Holes | Palau Found next to the beautiful Blue Corner in Palau, Blue Holes is a large, deep cavern beloved by adventurous divers. There are four holes in the reef that enter the cavern, which is home to wire corals, sea fans and leopard sharks. Photo courtesy of iStock / gappino Ik Kil | Yuca...