 Columnar jointed palisade appearance of vertical lava flows along Limpia Canyon, view from Road 17. Fort Davis, Texas, December 29, 2007
 Indian Lodge in Davis Mountains State Park. Fort Davis, Texas, December 29, 2007
 Cliff above Indian Lodge in Davis Mountains State Park. Fort Davis, Texas, December 29, 2007
 On a hill south from Indian Lodge in Davis Mountains State Park. Fort Davis, Texas, December 29, 2007
 Yucca on a hill west from entrance in Davis Mountains State Park. Fort Davis, Texas, December 29, 2007
 Purple spineless prickly pears cactus in Davis Mountains State Park. Fort Davis, Texas, December 29, 2007
 Hedgehog cactus (Echinocereus viridiflorus) on northern hill in Davis Mountains State Park. Fort Davis, Texas, December 29, 2007
 Magenta tinged prickly pears cactus on northern hill in Davis Mountains State Park. Fort Davis, Texas, December 29, 2007
 One of eroded pinnacles of pink volcanic tuff on Blue Creek Trail. Big Bend National Park, November 29, 2009
 Eroded pinnacles of pink volcanic tuff looking like a miniature Bryce Canyon on Blue Creek Trail. Big Bend National Park, November 29, 2009
 A house in north part of Fort Hancock Historic District, view from Kearney Road. Sandy Hook, New Jersey, March 11, 2007
 Eilat hotels at Red Sea behind volcanic mountains, view from Mount Shahmon at evening. The Middle East, December 13, 2001
 Columns in a small side alcove in Big Room of Carlsbad Caverns. New Mexico, December 26, 2007
 A balcony of a barrack at Magruder Road in Fort Hancock Historic District. Sandy Hook, New Jersey, February 11, 2007
 View of Fort Alexander (Plague) from Fort Constantine, Kronstadt. Saint Petersburg, Russia, June 21, 2011
 Ruins of Fort Pavel I (Risbank), view from Fort Constantine, Kronstadt. Saint Petersburg, Russia, June 21, 2011
 Fort Pavel I (Risbank) with Lomonosov in background, view from Fort Constantine, Kronstadt. Saint Petersburg, Russia, June 21, 2011
 Junk cars, view from Road 50, near Airport Road. Brenham, Texas, June 2, 2007
 View of a farm from Al Thugab Fort, on northern coast. Qatar, December 12, 2015
 Oil rig, view from Ritchey Road near Rock Prairie Road. College Station, Texas, September 16, 2007
 Sycamores on Battle Road, view from Springdale Road. Princeton, New Jersey, April 27, 2007
 Cemetery of Ain Mohamed Fort near Al Areesh Road north from Zubara. Northern Qatar, December 26, 2015
 Old cemetery of Ain Mohamed Fort near Al Areesh Road north from Zubara. Northern Qatar, December 12, 2014
 Old graveyard of Ain Mohamed Fort near Al Areesh Road north from Zubara. Northern Qatar, December 12, 2014
 Paoha and Negit Islands with volcanic craters on Mono Lake in California, view from a plane to San Francisco, April 26, 1996
 Cemetery at rain in Ain Mohamed Fort near Al Areesh Road north from Zubara. Northern Qatar, December 26, 2015
 A creek south from Wallpack Center, view from Mountain Road. Delaware Water Gap, New Jersey, March 3, 2007
 View of Wabash River from Davis Ferry Bridge north from Lafayette. Indiana, January 31, 1998.
 Granite columns in the hall of ancient art in Hermitage museum. Saint Petersburg, Russia, August 14, 2007
 Stone house of Ben Sweden in Ain Mohamed Fort near Al Areesh Road north from Zubara. Northern Qatar, December 12, 2014
 Washed out clay walls in Ain Mohamed Fort near Al Areesh Road north from Zubara. Northern Qatar, December 26, 2015
 Oil drum fence of a farm in Ain Mohamed Fort near Al Areesh Road north from Zubara. Northern Qatar, December 26, 2015
 Old oil drum fence of a farm in Ain Mohamed Fort near Al Areesh Road north from Zubara. Northern Qatar, December 26, 2015
 Cemetery tombs at rain in Ain Mohamed Fort near Al Areesh Road north from Zubara. Northern Qatar, December 26, 2015
 Sunset over volcanic rocks of Timna Massif, view from the entrance to the park, 13 miles north from Eilat. The Middle East, November 7, 2002
 Stone house with narrow windows in Ain Mohamed Fort near Al Areesh Road north from Zubara. Northern Qatar, December 26, 2015
 Ruins of Homes of Nasser bin Ahmad bin Isa al-Naimi in Ain Mohamed Fort near Al Areesh Road north from Zubara. Northern Qatar, December 12, 2014
 Old fence of a farm of a poet Mohammed bin Hamad bin al-Naimi in Ain Mohamed Fort near Al Areesh Road north from Zubara. Northern Qatar, December 12, 2014
 Stone ruins of Homes of Abdullah bin Nasser bin Mohammed Almkaona in Ain Mohamed Fort near Al Areesh Road north from Zubara. Northern Qatar, December 12, 2014
 Remains of a water well on a farm of a poet Mohammed bin Hamad bin al-Naimi in Ain Mohamed Fort near Al Areesh Road north from Zubara. Northern Qatar, December 26, 2015
 Oil drum fence of a farm of a poet Mohammed bin Hamad bin al-Naimi in Ain Mohamed Fort near Al Areesh Road north from Zubara. Northern Qatar, December 26, 2015
 Cascade and a dam with tuff bridge in Catherine Park. Pushkin (former Tsarskoe Selo) near Saint Petersburg, Russia, December 3, 2016
 Remains of oil drum fence of a farm of a poet Mohammed bin Hamad bin al-Naimi in Ain Mohamed Fort near Al Areesh Road north from Zubara. Northern Qatar, December 26, 2015
 Rusty oil drum fence of a farm of a poet Mohammed bin Hamad bin al-Naimi in Ain Mohamed Fort near Al Areesh Road north from Zubara. Northern Qatar, December 26, 2015
 Houses of Nasser bin Mohamed bin Mohammed Almkaona in Ain Mohamed Fort near Al Areesh Road north from Zubara. Northern Qatar, December 26, 2015
 Acacia tree in a farm of a poet Mohammed bin Hamad bin al-Naimi (1912 - 1992) in Ain Mohamed Fort near Al Areesh Road north from Zubara. Northern Qatar, December 12, 2014
 A view from Newfound Gap Road. Smoky Mountains National Park, Tennessee, May 18, 2007
 Road junction south from Chicago, view from a plane. Illinois, August 7, 2007
 Walpack Valley, view from Mountain Road. Delaware Water Gap, New Jersey, May 12, 2007
 Ruins of homes of Nasser bin Mohamed bin Mohammed Almkaona in Ain Mohamed Fort near Al Areesh Road north from Zubara. Northern Qatar, December 12, 2014
 Mesquite tree (Prosopis juliflora, Prosopis chilensis) in Ain Mohamed Fort near Al Areesh Road north from Zubara. Northern Qatar, December 26, 2015
 Stone houses of Nasser bin Mohamed bin Mohammed Almkaona in Ain Mohamed Fort near Al Areesh Road north from Zubara. Northern Qatar, December 26, 2015
 Lake Carnegie, view from Washington Road bridge. Princeton, New Jersey, February 4, 2007
 Sycamores on Battle Road, view from Olden Lane. Princeton, New Jersey, April 27, 2007
 Rowing in Carnegie Lake, view from Washington Road bridge. Princeton, New Jersey, May 2, 2007
 A farm in Walpack Valley, view from Mountain Road. Delaware Water Gap, New Jersey, May 12, 2007
 Saint Joseph plantation, view from a levee across River Road. Vacherie, Louisiana, January 7, 2007
 Tombs of Greenwood Cemetery at morning, view from Metairie Road. New Orleans, Louisiana, January 11, 2007
 Lake Carnegie at sunset, view from Washington Road bridge. Princeton, New Jersey, February 4, 2007
 Rose Island and Newport Bridge, view from Fort Adams State Park. Newport, Rhode Island, December 18, 2004
 Frozen bay from Fort Hancock Historic District. Sandy Hook, New Jersey, February 11, 2007
 One of barracks in Fort Hancock Historic District. Sandy Hook, New Jersey, February 11, 2007
 Parade Ground and barracks, view from Guardian Park road. Sandy Hook, New Jersey, March 11, 2007
 A farm west from Hidden Falls, view from Mountain Road. Delaware Water Gap, New Jersey, March 3, 2007
 A stream south from Wallpack Center, view from Mountain Road. Delaware Water Gap, New Jersey, March 3, 2007
 Cow shed at road 1644 south from Calvert. Texas, December 8, 2007
 Carnegie Lake near Faculty Road, view from Delaware and Raritan Canal State Park. Kingston, New Jersey, May 5, 2007
 Nike Missiles at the entrance of Fort Hancock Historic District. Sandy Hook, New Jersey, March 11, 2007
 Barracks around Parade Ground in Fort Hancock Historic District. Sandy Hook, New Jersey, February 11, 2007
 A cottage at Faculty Road on Lake Carnegie, view from Delaware and Raritan Canal State Park. Princeton, New Jersey, May 5, 2007
 View from beginning of El Capitan Trail in Guadalupe Mountains National Park. Texas, December 27, 2007
 Laurel Falls near Orange Trail in DeSoto State Park on Lookout Mountain. Fort Payne, Alabama, May 19, 2007
 Lost Falls near Blue Trail in DeSoto State Park on Lookout Mountain. Fort Payne, Alabama, May 19, 2007
 Flooding of a trail in Delaware and Raritan Canal State Park, view from Road 27 crossing to the north. Kingston, New Jersey, April 16, 2007
 El Capitan Mountain (zoomed), view to the west in Guadalupe Mountains National Park. Texas, December 27, 2007
 Echo Canyon, view to north-west from Enchanted Rock dome. Fredericksburg, Texas, December 24, 2007
 Moss Lake, view to north-west from Enchanted Rock dome. Fredericksburg, Texas, December 24, 2007
 Gulf of Finland near Solnechnoye with Fort Totleben at horizon, 15 miles north-west from Saint Petersburg. Russia, September 8, 2007
 Ocotillo bush near a road between White s City and Carlsbad Caverns. New Mexico, December 26, 2007
 Fresh snow near a road between White s City and Carlsbad Caverns. New Mexico, December 26, 2007
 Plants in snow near a road between White s City and Carlsbad Caverns. New Mexico, December 26, 2007
 Lake in north part of Bastrop State Park, view from Road 1C. Bastrop, Texas, November 4, 2007
 Marble columns in Gatchina Palace near Saint Petersburg. Russia, December 23, 2005
 Columns of Baker Lab of Cornell University, at evening. Ithaca, New York, December 8, 2005
 Agaves and cacti in snow near a road between White s City and Carlsbad Caverns. New Mexico, December 26, 2007
 Cholla cactus in snow near a road between White s City and Carlsbad Caverns. New Mexico, December 26, 2007
 Group of "totem poles" remained from a structure on East Beach, opposite to Beachtown. Galveston, Texas, November 15, 2008
 "Totem poles", oddly shaped pilings remained from Murdoch s Bathhouse after a hurricane Ike. Galveston, Texas, November 15, 2008
 Columns of Goldwin Smith Hall of Cornell University. Ithaca, New York, December 10, 2005
 Columns of Goldwin Smith Hall of Cornell University. Ithaca, New York, December 4, 2005
 Prickly pears cactus in snow near a road between White s City and Carlsbad Caverns. New Mexico, December 26, 2007
 Tuff puffball mushroom (Scleroderma texense) in Bee Creek Park. College Station, Texas, November 3, 2017
 Burnett Creek near Davis Ferry Bridge. Indiana, November 26, 1999
 Hall of Twenty Columns (ancient art) in Hermitage Museum. Saint Petersburg, Russia, December 16, 2005
 Statue of Isis(?) and Hellenistic columns of the Treasure (ancient Nabataean tomb) in Petra. Jordan, December 1, 2002
 Rostral Columns on a spit of Vasilievsky Island from Dvortsovaya Embankment. Saint Petersburg, Russia, December 29, 2016
 Mountain laurel flowers on Blue Trail in DeSoto State Park on Lookout Mountain. Fort Payne, Alabama, May 19, 2007
 Tuff puffball mushroom (Scleroderma texense) on roadside in Lick Creek Park. College Station, Texas, November 12, 2013
 Totem like tree stump in Bastrop State Park. Bastrop, Texas, September 15, 2012
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