underarockphoto: Hope Brooks, Unnamed Cave 14, WV.
underarockphoto: Hope Brooks surveying in Laurel Caverns, PA.
underarockphoto: Thomas Spotloe and Cassandra Mosely, Big Room, Suicide Falls Overlook, Cass Cave, Cold Run, Pocahontas County, West Virginia.
underarockphoto: Hope Brooks, Tonoloway Limestone mud cracking, Floyd Waggys Cave, Peters Mountain, Pendelton County, West Virginia.
underarockphoto: Cindy Barton, A Chestnut Ridge Cave, Fayette County, PA.
underarockphoto: Ryan Maurer, Morrils Cave ("Worleys Cave"), Sullivan County, Tennessee
underarockphoto: Ben Schafler, Drop 2, and the lake at Drop 2, Sinks of the Run Cave, West Virginia.
underarockphoto: Northern Hellhole, Hellhole System, Germany Valley, Pendelton County, West Virginia.
underarockphoto: Ryan Maurer and Hope Brooks, Historic Entrance, Northern Hellhole, Hellhole System, Germany Valley, Pendelton County, West Virginia.
underarockphoto: Ryan Maurer, Flood event at Petite Falls, Laurel Caverns, Fayette County, Pennsylvania
underarockphoto: Selenite Moon Cave, Eddy County, New Mexico
underarockphoto: Nathan Farrar, NF Survey, Harlansburg Cave, Lawrence County, PA
underarockphoto: Virginia big-eared bat, Sinnett-Thorn Mountain Cave System, Thorn Mountain, Pendelton County, WV
underarockphoto: Virginia big-eared bat, Sinnett-Thorn Mountain Cave System, Thorn Mountain, Pendelton County, WV
underarockphoto: Wayne Perkins, Downstream Friars, Friars Hole Cave System, Greenbrier and Pocahontas Counties, WV
underarockphoto: KLine, Bighorn Horsethief Cave System, Montana and Wyoming
underarockphoto: Gage Casella at the Double Waterfall
underarockphoto: Elevator Shaft
underarockphoto: Jacob Lieber and a Chandelier
underarockphoto: Ellen Trautner in Cactus Spring
underarockphoto: Tony and broomsticks
underarockphoto: Soda Straw Forest, Guadalupe Room
underarockphoto: M Survey
underarockphoto: The first view of Monster Cavern.