Absolutely mesmerizing... This, from the "Domes and Dripstones" tour.
Absolutely mesmerizing... This, from the "Domes and Dripstones" tour.
Near the end of the new entrance tour. Get under your nation. #nationalpark
Lone fisherman at dusk on beautiful Nolin Lake.
Lantern soot writing from the 1800s on the Historic Tour of Mammoth Caves.