Cave on private property near Pedernales Falls. Johnson City, Texas, November 29, 2008
Pskov-Pechory Monastery of the caves, view from a tourist overlook. Pechory, Russia, August 8, 2004
A cave in Dahl Al Hamam Park at Al Markhiya Street. Doha, Qatar, March 16, 2016
Painted Cave from opposite side of Capulin Canyon in Bandelier National Monument. New Mexico, near Los Alamos, May 25, 2008
A lake and a bench near a trail south-west from Visitor Center in Onondaga Cave State Park. Leasburg, Missouri, September 24, 2005
A cave (with a small pool) in Negev Desert 2 miles north from Beer-Sheva. The Middle East, February 24, 2001
View of a cave from trail 2223 overlooking canyon of Nahal Keziv river, 2 miles north-west from Mi ilia. Galilee, the Middle East, March 31, 2002
Roman Cave (?) (blue trail) in western Timna Park, 13 miles north from Eilat. The Middle East, November 7, 2002
A forest near Devil s Cave near northern entrance of John Witherspoon Woods park. Princeton, New Jersey, April 28, 2007
Pointed formations in caves of Carlsbad Caverns. New Mexico, December 26, 2007
Figures of people and animals in Painted Cave in Capulin Canyon in Bandelier National Monument. New Mexico, near Los Alamos, May 25, 2008
Some upper cave of an ancient Jewish cemetery in Kidron Valley, view from Derekh Ha Ofel road. Jerusalem, the Middle East, December 13, 2002.
Boulder field near Devil s Cave near northern entrance of John Witherspoon Woods park. Princeton, New Jersey, April 28, 2007
Painted Cave in Capulin Canyon in Bandelier National Monument. New Mexico, near Los Alamos, May 25, 2008
Roman Cave (?) (blue trail) in western Timna Park, near Eilat. The Middle East, April 25, 2001
Cave of Pan and springs in Banias Park. Golan Heights, the Middle East, April 7, 2001
Overlook of Road 1 (in the area of Ma arat Hatsadik cave) at the ascent to memorial hill no. 16 north from Beit Meir, west from Jerusalem. The Middle East, April 10, 2002
Chalky wadi of Nahal Pratzim, west from Mount Sdom, near Flour Cave. The Middle East, December 27, 2001
Caves and springs on a bank of a creek in Rozhdestveno, 50 miles south from Saint Petersburg. Russia, August 22, 2004
Wadi Natuf valley with Wayfarer s shelter and cave cistern in Neot Kedumim biblical landscape park, west from Jerusalem. The Middle East, February 7, 2001
Ferns of David Creek, near Dudaim Cave, above Ein Gedi. The Middle East, November 15, 2001
Roman Cave (?) (blue trail) in western Timna Park, 13 miles north from Eilat. The Middle East, November 7, 2002
A cave in Northern Cavern in Natural Bridge Caverns. San Antonio, Texas, October 6, 2007
Ancient caves in sandstone for mining of copper in western Timna Park, near Eilat. The Middle East, April 25, 2001
A cave behind a fence in the Church of Annunciation in Nazareth (Grotto of the Virgin). The Middle East, March 16, 2002
A cave of Elijah and Elisha in Carmelite Monastery. Haifa, the Middle East, January 28, 2001
Ladder and caves behind Visitor Center in Bandelier National Monument. New Mexico, near Los Alamos, May 26, 2008
View of a grotto from a cave in Rosh Hanikra. The Middle East, September 7, 2000
Shimshon Cave at Sorek River, west from Jerusalem. The Middle East, December 30, 2000
Detail of "Queen s Canopy" in Onondaga Cave. Leasburg, Missouri, September 24, 2005
Caves behind Visitor Center in Bandelier National Monument. New Mexico, near Los Alamos, May 26, 2008
Caves to the right from an entrance to Ein Gedi Park. Ein Gedi, the Middle East, March 29, 2001
Approaching Roman Cave (?) (blue trail) in western Timna Park, near Eilat. The Middle East, April 25, 2001
White sand and caves at the foot of Timna cliffs in western Timna Park, near Eilat. The Middle East, April 25, 2001
Wall of stalactites in Sorek Cave, west from Jerusalem. The Middle East, December 30, 2000
Yellow tainted stalactites in Sorek Cave, west from Jerusalem. The Middle East, December 30, 2000
Stalactites in Sorek Cave, west from Jerusalem. The Middle East, December 30, 2000
Burial caves in the Church of the Holy Sepulchre in Old City of Jerusalem. The Middle East, August 5, 2000
Stalactites in Sorek Cave, west from Jerusalem. The Middle East, December 30, 2000
A cave at the entrance to a canyon of Bokek River. Ein Bokek, the Middle East, February 22, 2001
Cave of Brightness (Musfer Cavern, Dahl Al Misfir sinkhole) from its bottom in Umm Al Shabrum south-west from Doha. Qatar, February 27, 2015
Caves along the trail on the eastern side of the horseshoe formation of Nahal Darokh river 4 miles east from Sde Boker. The Middle East, April 9, 2001
Caves of Nahal Halilim Creek west from Jerusalem, the Middle East, July 5, 2002
Petroglyphs of Painted Cave in Capulin Canyon in Bandelier National Monument. New Mexico, near Los Alamos, May 25, 2008
Rock art of Painted Cave in Capulin Canyon in Bandelier National Monument. New Mexico, near Los Alamos, May 25, 2008
Caves in the upper side walls of the horseshoe formation of Nahal Darokh river 4 miles east from Sde Boker. The Middle East, April 9, 2001
A waterfall at Dudaim Cave in Ein Gedi. The Middle East, January 24, 2002
Caves of Nahal Halilim Creek west from Jerusalem, the Middle East, July 5, 2002
Morning beam of light in Cave of Brightness (Musfer Cavern, Dahl Al Misfir sinkhole) in Umm Al Shabrum south-west from Doha. Qatar, February 27, 2015
A cave at the entrance to Ein Bokek Canyon. The Middle East, March 3, 2000
Horseshoe formation (a round tilted pit 200 - 250 m in diameter and 30 - 40 m in depth with a flat bottom surrounded by caves) of Nahal Darokh river 4 miles east from Sde Boker. The Middle East, April 9, 2001
Ancient burial caves of Silwan (Shiloah) village from Derekh Ha Ofel Road. Jerusalem, the Middle East, October 31, 2002
Roman Cave (?) (blue trail) in western Timna Park, 13 miles north from Eilat. The Middle East, November 7, 2002
Ancient copper mining cave in sandstone of a small wadi in western Timna Park, 13 miles north from Eilat. The Middle East, November 7, 2002
Karst feature in Cave of Brightness (Musfer Cavern, Dahl Al Misfir sinkhole) in Umm Al Shabrum south-west from Doha. Qatar, February 27, 2015
Texture of Cave of Brightness (Musfer Cavern, Dahl Al Misfir sinkhole) in Umm Al Shabrum south-west from Doha. Qatar, February 27, 2015
Caves of Nahal Halilim Creek west from Jerusalem, the Middle East, July 5, 2002
Pictographs of Painted Cave in Capulin Canyon in Bandelier National Monument. New Mexico, near Los Alamos, May 25, 2008
Limestone cave with a spring of a tributary of Lampasas River near the entrance of Chalk Ridge Falls Park, below a dam of Stillhouse Hollow Lake. Belton - Killeen, Texas, August 17, 2008
Caves at Nahal Darokh river 4.5 miles east from Sde Boker. The Middle East, April 9, 2001
Hexagram, snake, Christian church and people on pictographs of Painted Cave in Capulin Canyon in Bandelier National Monument. New Mexico, near Los Alamos, May 25, 2008
A cave in N. Lahav Nature Reserve, 4 miles north from Beer-Sheva. The Middle East, December 16, 2000
Sky seen through caves in the upper side of the horseshoe formation of Nahal Darokh river 4 miles east from Sde Boker. The Middle East, April 9, 2001
Caves and arches in a wadi near copper mines in western Timna Park, near Eilat. The Middle East, April 25, 2001
Bones inside one of columbarium caves in Bet Atab village, 4 miles east from Beit Shemesh. The Middle East, July 5, 2001
In Cathedral Cave in Onondaga Cave State Park. Leasburg, Missouri, September 24, 2005
A tomb of Rothschild in a cave in Rothschild s Park near Zikhron Ya akov. The Middle East, January 28, 2001
Chalky plateau of Mishor Amiaz, west from Mount Sdom, near Flour Cave. The Middle East, December 27, 2001
Angels Showers waterfall in a cave of Ozark Caverns in Lake of the Ozarks State Park. Missouri, September 10, 2005
Caves with traces of a dried spring on the left, at Nahal Darokh river 4.5 miles east from Sde Boker. The Middle East, April 9, 2001
An ancient burial cave of Silwan (Shiloah) village from Derekh Ha Ofel Road. Jerusalem, the Middle East, October 31, 2002
Rocks and a cave near Pedernales Falls. Johnson City, Texas, November 29, 2008
Shulamit Fall and a cave on David Creek in Ein Gedi. The Middle East, April 26, 2000
A cave of Ozark Caverns in Lake of the Ozarks State Park. Missouri, September 10, 2005
Figure of a hunter(?) on a stone at the foot of Painted Cave in Capulin Canyon in Bandelier National Monument. New Mexico, near Los Alamos, May 25, 2008
Cave of Brightness (Musfer Cavern, Dahl Al Misfir) sinkhole in south central area. Qatar, February 19, 2010
Interior of Cave of Brightness (Musfer Cavern, Dahl Al Misfir) sinkhole in south central area. Qatar, February 19, 2010
Fresnel-shaped patterns on yellow limestone at the bottom of small caves of Nahal Darokh river 4.5 miles east from Sde Boker. The Middle East, April 9, 2001
Horseshoe formation (a round tilted pit 200 - 250 m in diameter and 30 - 40 m in depth with a flat bottom surrounded by caves) of Nahal Darokh river 4 miles east from Sde Boker. The Middle East, April 9, 2001
Cathedral Cave in Onondaga Cave State Park. Leasburg, Missouri, September 24, 2005
Cave Cathedral of Pokrovo Tervenichi Women s Christian Orthodox Monastery. Area of Lodeynoe Pole, Leningrad Region, Russia, August 4, 2012
Horseshoe formation (a round tilted pit 200 - 250 m in diameter and 30 - 40 m in depth with a flat bottom surrounded by caves) of Nahal Darokh river 4 miles east from Sde Boker, view from lower site. The Middle East, April 9, 2001
Cave deposits in Cathedral Cave in Onondaga Cave State Park. Leasburg, Missouri, September 24, 2005
Blizhniye ("nearby") caves of Pskov-Pechory Monastery. Pechory, Russia, August 8, 2004
Accumulation of long-legged harvestmen (Daddy longlegs) spiders in Tonkawa Indian Cave in Mother Neff State Park. Moody, Texas, August 23, 2008
Thorn Acacia (Acacia ehrenbergiana, local name Salam) trimmed by grazing camels in desert near Cave of Brightness in south central area. Qatar, February 19, 2010
Cave Cathedral of Kievo Pechory Saints in Pokrovo Tervenichi Women s Christian Orthodox Monastery. Area of Lodeynoe Pole, Leningrad Region, Russia, August 4, 2012
A cave in the abandoned village Soofla, 3 miles east from Beit Shemesh. The Middle East, July 5, 2001
Ancient columbarium caves (?) in an abandoned Arab village of Bet Atab, 4 miles east from Beit Shemesh. The Middle East, July 5, 2001
Gnawed skull of a small animal in a cave at Nahal Darokh river 4.5 miles east from Sde Boker. The Middle East, April 9, 2001
View from caves at Nahal Darokh river 4.5 miles east from Sde Boker. The Middle East, April 9, 2001
Light beam in Cave of Brightness (Musfer Cavern, Dahl Al Misfir sinkhole) in Umm Al Shabrum south-west from Doha. Qatar, February 27, 2015
Underground river Poneretka emerging from a cave and meeting Msta River near Borovichi. Novgorod Region, Russia, July 3, 2016
Mouth of underground river Poneretka emerging from a cave and meeting Msta River near Borovichi. Novgorod Region, Russia, July 3, 2016
Underground river Poneretka emerging from a cave and meeting whitewater area of Msta River near Borovichi. Novgorod Region, Russia, July 3, 2016
Stream of underground river Poneretka emerging from a cave and meeting Msta River near Borovichi. Novgorod Region, Russia, July 3, 2016
