Crystal Cave in Sequoia National Park to reopen for first time in 4 years
Crystal Cave, the ancient marble cavern at the end of a steep half-mile hike in Sequoia National Park, is slated to reopen to visitors this summer after four years of closure. The cave features a half ...
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🌟The Bright Side: France’s Grotte de Cussac reveals prehistoric cave art splendour
The Grotte de Cussac in France’s southwestern Dordogne is home to ancient secrets, including prehistoric cave artworks ...