Deep beneath Gunter's Mountain in northeast Marshall County, Alabama, is a hidden treasure that offers breathtaking sights and chilly temperatures. Cathedral Caverns boasts one of the world's largest stalagmites, frozen waterfalls, flowstone walls and stalagmite forest. The constant year-round temperature is 60 degrees in the 14-acre underground wonderland, designated as a Registered National Natural Landmark in 1972. Above ground, there are 461 acres of land surrounding the cave where the park is located, offering nature trails, primitive camping, picnicking, concessions, a climbing wall, souvenir shop and rustic welcome center.