Grotto Photo

Grotto Geyser, Yellowstone National Park, Upper Geyser Basin
Grotto Geyser, Yellowstone National Park.
Location: Upper Geyser Basin, Yellowstone National Park, Wyoming
Image ID: 07204  
Grotto Geyser, Yellowstone National Park, Upper Geyser Basin
Grotto Geyser, Yellowstone National Park.
Location: Upper Geyser Basin, Yellowstone National Park, Wyoming
Image ID: 07206  
Limestone and marble underground formations, Miller's Chapel grotto in Oregon Caves National Monument.  Eons of acidified groundwater have slowly etched away at marble, creating the extensive and intricate cave formations in Oregon Caves National Monument
Limestone and marble underground formations, Miller's Chapel grotto in Oregon Caves National Monument. Eons of acidified groundwater have slowly etched away at marble, creating the extensive and intricate cave formations in Oregon Caves National Monument.
Location: Oregon Caves National Monument
Image ID: 25863  
Limestone and marble underground formations, Miller's Chapel grotto in Oregon Caves National Monument.  Eons of acidified groundwater have slowly etched away at marble, creating the extensive and intricate cave formations in Oregon Caves National Monument
Limestone and marble underground formations, Miller's Chapel grotto in Oregon Caves National Monument. Eons of acidified groundwater have slowly etched away at marble, creating the extensive and intricate cave formations in Oregon Caves National Monument.
Location: Oregon Caves National Monument
Image ID: 25864  
Small waterfall amidst a grotto of ferns, moss and algae. This small oasis exists year round as a result of water seeping from the red sandstone walls of Zion Canyon, Zion National Park, Utah
Small waterfall amidst a grotto of ferns, moss and algae. This small oasis exists year round as a result of water seeping from the red sandstone walls of Zion Canyon.
Location: Zion National Park, Utah
Image ID: 12480  
Small waterfall amidst a grotto of ferns, moss and algae. This small oasis exists year round as a result of water seeping from the red sandstone walls of Zion Canyon, Zion National Park, Utah
Small waterfall amidst a grotto of ferns, moss and algae. This small oasis exists year round as a result of water seeping from the red sandstone walls of Zion Canyon.
Location: Zion National Park, Utah
Image ID: 12481  
Grotto Geyser erupts.  Upper Geyser Basin, Yellowstone National Park, Wyoming
Grotto Geyser erupts. Upper Geyser Basin.
Location: Upper Geyser Basin, Yellowstone National Park, Wyoming
Image ID: 13397  
Grotto Geyser erupts (right) while Rocket Geyser steams (left).  Upper Geyser Basin, Yellowstone National Park, Wyoming
Grotto Geyser erupts (right) while Rocket Geyser steams (left). Upper Geyser Basin.
Location: Upper Geyser Basin, Yellowstone National Park, Wyoming
Image ID: 13398  
Grotto Geyser steams (right) while Rocket Geyser erupts (left).  Upper Geyser Basin, Yellowstone National Park, Wyoming
Grotto Geyser steams (right) while Rocket Geyser erupts (left). Upper Geyser Basin.
Location: Upper Geyser Basin, Yellowstone National Park, Wyoming
Image ID: 13399  
Grotto Geyser sinter formation, a result of sinter covering old tree stumps, is unique among geothermal features in Yellowstone National Park, Upper Geyser Basin
Grotto Geyser sinter formation, a result of sinter covering old tree stumps, is unique among geothermal features in Yellowstone National Park.
Location: Upper Geyser Basin, Yellowstone National Park, Wyoming
Image ID: 13400  
Grotto Geyser steams.  Upper Geyser Basin, Yellowstone National Park, Wyoming
Grotto Geyser steams. Upper Geyser Basin.
Location: Upper Geyser Basin, Yellowstone National Park, Wyoming
Image ID: 13401  
Grotto Geyser (left) and Rocket Geyser (right) erupt.  Upper Geyser Basin, Yellowstone National Park, Wyoming
Grotto Geyser (left) and Rocket Geyser (right) erupt. Upper Geyser Basin.
Location: Upper Geyser Basin, Yellowstone National Park, Wyoming
Image ID: 13402  
Grotto Geyser erupts.  Upper Geyser Basin, Yellowstone National Park, Wyoming
Grotto Geyser erupts. Upper Geyser Basin.
Location: Upper Geyser Basin, Yellowstone National Park, Wyoming
Image ID: 13403  
Grotto Geyser (right) and Rocket Geyser (left) erupt.  Upper Geyser Basin, Yellowstone National Park, Wyoming
Grotto Geyser (right) and Rocket Geyser (left) erupt. Upper Geyser Basin.
Location: Upper Geyser Basin, Yellowstone National Park, Wyoming
Image ID: 13404  
Sarah's Cavern, a natural sea cave hidden below sea cliffs in Carlsbad, opening onto a flat beach at sunset, inner walls adorned with graffiti
Sarah's Cavern, a natural sea cave hidden below sea cliffs in Carlsbad, opening onto a flat beach at sunset, inner walls adorned with graffiti.
Location: Carlsbad, California
Image ID: 22196  
Sinter cone of oddly-shaped Grotto Geyser, thought to be formed over ancient tree stumps, Upper Geyser Basin, Yellowstone National Park, Wyoming
Sinter cone of oddly-shaped Grotto Geyser, thought to be formed over ancient tree stumps.
Location: Upper Geyser Basin, Yellowstone National Park, Wyoming
Image ID: 07205