Shaft of light illuminates park visitor near natural entrance of Carls...
In summer the late afternoon sun lines up with the natural entrance to Carlsbad Cavern. A ray of sunlight pans slowly across the cave floor, briefly illuminating the formations along the trail and heralding the... More
A couple of people standing inside of a cave. Bulgaria prohodna cave g...
The cave of the cave / The skylight in the cave - public domain stock photo.
A stone tunnel with steps leading up to it. Tunnel steps dark.
Tourism: A tunnel with stairs leading to a stone wall. The stairs to the cave. Public domain stock photo. A tunnel with stairs leading to a stone wall. The stairs to the cave. Public domain stock photo.
A cave filled with lots of water and rocks. Luray virginia caves caver...
Rocks pictures: Free images of rocks and stones, available for commercial use and free download. Copyright-free, no attribution required.
A U.S. Marine assigned to Headquarters Battalion, 3rd
A U.S. Marine assigned to Headquarters Battalion, 3rd Marine Division ascends out of a cave in mission oriented protective posture gear at Marine Corps Air Station Futenma, Okinawa, Japan, April 19, 2018. Chemi... More