These caves where calcite crystals catch soft light 400 feet beneath Mount Rushmore
November light touches Mount Rushmore’s granite faces while 220 miles of crystalline passages stretch silent beneath your feet. Three extraordinary cave systems hide within 40 miles of South Dakota’s most photographed monument, yet receive a fraction of the crowds. While 2 million tourists photograph presidents carved in stone, fewer than 800,000 annually descend into golden … Lire plus









