On the way to Mammoth Cave national park, is Kentuckys most beautiful cave. Historic Diamond Caverns features intricate drapery deposits lininh yhr halls in cascades of naturally colorful calcite. This ticket is a family/friend pass for 4. Open year around, the cave is closed Thanksgiving, Christmas and New Year. The caves temperature is 58 degrees and the tour length is 1/2 mile, a moderately strenuous tour with 300 plus steps (no more than 50 at a time). Ticket may not be redeemed for cash.