Cave, New Discovery, White Chimes or Crystal Chandelier, guide in picture
Mammoth Cave National Park; National Park Service
Cave, New Discovery, Onyx Altar, guide in picture
Mammoth Cave National Park; National Park Service
Cave, New Discovery, gypsum floral pattern
Mammoth Cave National Park; National Park Service
Cave, New Discovery, Mound City and terraces
Mammoth Cave National Park; National Park Service
Cave, New Discovery, a guide looking at gypsum
Mammoth Cave National Park; National Park Service
Cave, New Discovery, White Chimes or Crystal Chandelier
Mammoth Cave National Park; National Park Service
Cave, women and a guide at the bottom of Frozen Niagara
Mammoth Cave National Park; National Park Service
Cave, New Discovery, Onyx Altar, guides in picture
Mammoth Cave National Park; National Park Service
Cave, New Discovery, walls of Onyx Avenue, man with lantern in picture
Mammoth Cave National Park; National Park Service
Cave, New Discovery, gypsum floral pattern
Mammoth Cave National Park; National Park Service
Cave, New Discovery, close up of wall in Paradise Avenue
Mammoth Cave National Park; National Park Service
Cave, New Discovery, White Chimes or Crystal Chandelier
Mammoth Cave National Park; National Park Service
Mammoth Cave, Frozen Niagara, people shown on stairs
Mammoth Cave National Park; National Park Service
Cave, New Discovery, gypsum floral pattern
Mammoth Cave National Park; National Park Service
Caves, New Discovery, Ostrich Column or Sand Crane
Mammoth Cave National Park; National Park Service
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