Cave City is world-renowned for its vast, intricate subterranean landscapes. Home to Mammoth Cave National Park—the world's longest known cave system with over 400 miles explored—plus eight other spectacular commercial and historic caves.
World's Longest Known Cave System
Over 400 miles of surveyed underground passageways carved through ancient limestone. Guided tours range from easy walking routes like the Historic Tour and Domes & Dripstones to the lantern-lit Violet City and strenuous Wild Cave excursions.
Historic Living Flowstone & Drapery
Discovered in 1859, Diamond Caverns has offered tours for over 160 years. Known for dense concentrations of intricate calcite formations, draperies, stalactites, and stalagmites along a well-lit, paved trail.
Prewitts Knob Natural Marvel
Located at Prewitts Knob, Crystal Onyx is celebrated for its dome pits, delicate soda straws, curtains, and an authentic Native American burial site uncovered inside.
Active Waterfalls & Wall-to-Wall Onyx
Discovered in 1971 during road construction, this wet, active cave boasts a 40-foot underground waterfall, beautiful drapery, and a classic rock and gem shop upstairs.
Where Frank & Jesse James Hid Out
Historic subterranean sanctuary named for legendary outlaws Jesse and Frank James. Features spectacular column formations, natural chambers, and is wheelchair accessible.
Subterranean River & Historic Recovery
Flows directly beneath downtown Horse Cave. Home to the world's longest underground swinging bridge, sunset zip-lines across the entrance sinkhole, and the American Cave Museum.
Kentucky's Only Underground Boat Tour
Float through an enormous limestone cavern on Kentucky's only subterranean boat tour. Rich in Civil War and 1930s speakeasy history with wooded nature trails above ground.
