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gem Favorite View of Tunnel Falls from Trail 5

Tunnel Falls

(3) North M…, IN
gem Favorite Stalactites and stalagmites make the Frozen Niagara tour a beautiful experience. Photo credit: NPS Photo.

Mammoth Cave Guided Tours

(40) Brownsv…, KY
gem Favorite Locomotive No. 4 is the only remaining engine from the Mammoth Cave Railroad. | Copyright James St. John (goo.gl/71SzIw) under CC BY-2.0 (https://creativecommons.org/licenses/by/2.0/) Photo was unchanged.

Engine No. 4

(6) Brownsv…, KY
gem Favorite The Cedar Sinks Trail explores interesting rock formations and crevices.

Cedar Sink

(18) Brownsv…, KY
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