A major tourist attraction in Sequoia National Park that has been closed for the past four years will reopen this summer, and tickets to visit it go on sale Monday. Crystal Cave, which is on the ...
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.
Trips which may become real inside physical replicas of the cave; maybe the only way to visit once it is no longer accessible due to the end of mining activities. Giant crystals The amazing ...
NGC goes inside one of the greatest natural marvels on the planet - a giant crystal cave described as Superman's fortress, with magnificent crystals up to 36 feet long and weighing 55 tons.