As home to the longest-known cave system in the world, Mammoth Cave National Park is ... However, the highlight for most is the "Frozen Niagara," a huge mass of dripstone reaching 75 feet high ...
The surface of Mammoth Cave National Park encompasses about ... The least arduous cave tour (0.25 mile, 75 minutes) is the Frozen Niagara Tour. A modified version of the tour has only six steps ...
Featuring the amazing picture and sound quality that only DVD can offer this fullynarrated video lets you enter into the beautiful world of Mammoth ... Historic Tour and Frozen Niagara Tour ...