An impressive system of walkways ensures the visitor of accessible view of the many unusual rock formations on the 45 minute excursion led by a knowledgeable guide. Included: Crystal Cave Coral Pool, found in only one other cavern in the world, and filled with golden and rainbow trout; Sparkling Room of Million Stalactites, with the second highest ceiling of any cavern in the eastern United States, towering 274 feet; 6 ton World's Largest Ribbon Stalactite. Open year Round. Guided Tours Every 1/2 Hour. Special Group Rates. Buses Welcome. Cavern tours are 7 days per week 9am-5pm every half hour.