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This giant natural cave is right below one of America's favorite theme parks (and yes, you’re allowed to explore it)
Silver Dollar City is theme park built on top of a giant cave Silver Dollar City ... 1880s Ozark Mountain Village around the entrance to the cave. This is the start of what we know today as ...
PBS4y
Carlsbad Cavern's Human History
Prehistory - The earliest explorers of the cavern were indigenous peoples, and there are pictographs and mescal pits at the cave entrance ... help in the planting of giant citrus groves.