
Black Chasm Cavern
If you have never toured a helictite cave, surrounded by icy stalactites and stalagmites, you’re missing out. This designated National Natural Landmark showcases stalactites, stalagmites, flowstones and the vast arrays of rare helictite crystals. Dress warmly to travel underground for the 50-minute walking tour of the 57-degree Fahrenheit cave. On top of the earth, the three-hour Labyrinth Tour meanders through...