Forrest Setnor
Photo Date: 
05/14/2016
Light beams through a gap in the Plato's Cave lava tunnel.
Tyson Gillard
Photo Date: 
07/03/2016
Bronson Caves, Griffith Park.
Robyn Anderson
Photo Date: 
08/17/2015
Rock art at Cascadia Cave in the Willamette Valley.
Jessica Beauchemin
Photo Date: 
11/30/2016
With three caves to explore at the Redmond Caves, you're sure to find something that piques your interest.
Anzelina Coodey
Photo Date: 
12/14/2013
Headlamp exploration in Ape Caves.
Tyson Gillard
Photo Date: 
06/30/2013
Exploring the Ape Cave.
Michael Sawiel
Photo Date: 
06/07/2014
Skylight cave.
Jessica Beauchemin
Photo Date: 
05/10/2015
The lights cast interesting shadows and colors in the rooms of Lehman Caves.
Tyson Gillard
Photo Date: 
06/06/2015
Boyd Cave.
Lea Kieffer
Photo Date: 
06/25/2017
Lush flora en route to the caves in Maquoketa Caves State Park.
Tyson Gillard
Photo Date: 
09/21/2012
Headlamps, flashlights, or rented lanterns are a must in Lava River Cave.
Mark Lehrbass
Photo Date: 
10/25/2013
They're called ice nubbins. Water drips constantly from the ceiling of Arnold Ice Cave, freezes when it hits the ground, and builds ice stalagmites.
Bryce Jenks
Photo Date: 
01/10/2015
Illuminated stalactites in Guler Ice Caves.
Tyson Gillard
Photo Date: 
06/22/2015
Sea Lion Caves as viewed from the caged internal viewing platform and interpretive area.
Tyson Gillard
Photo Date: 
06/14/2015
The iconic view from Hidden Forest Cave.
Kyle Jenkins
Photo Date: 
09/04/2016
Scout Cave, Red Cliffs Desert Reserve.
Daniel Sherman
Photo Date: 
07/17/2015
View of Mount Jefferson from inside Boca Cave.
John Badila
Photo Date: 
10/09/2015
The Big Room in Middle Cave, Timpanogos Cave National Monument.
Brandon Cook
Photo Date: 
01/04/2017
Mammoth Cave is filled with beautiful limestone formations.
Brandon Cook
Photo Date: 
01/04/2017
The old historic entrance into Mammoth Cave.
Stephanie Windschill
Photo Date: 
05/30/2016
Box stalagmites in Wind Cave National Park.
Eric Guth
Photo Date: 
10/29/2013
Mount Hood, Sandy Glacier Caves: Grylloblattid (Grylloblatta) also commonly called "ice crawlers."
Tyson Gillard
Photo Date: 
01/04/2014
Mount Hood's Sandy Glacier Caves in view.
Tyson Gillard
Photo Date: 
01/04/2014
View of Snow Dragon's main entrance.
Tyson Gillard
Photo Date: 
01/04/2014
Mount Hood, Sandy Glacier Caves: inside Snow Dragon.
Eric Guth
Photo Date: 
10/29/2013
Mount Hood, Sandy Glacier Caves: main entry to Snow Dragon.
Eric Guth
Photo Date: 
01/04/2014
Mount Hood, Sandy Glacier Caves: inside Snow Dragon.
Yelena Sukhanov
Photo Date: 
12/21/2015
The Big Room in Carlsbad Caverns National Park.
Seth Rose
Photo Date: 
10/27/2017
An expansive view into Luray Caverns.