Rock paintings at Lake Saimaa in Kolmiko"ytisenvuori. Eastern Finland, April 23, 2017
Docks of Saimaa Canal from Mustolanlampi Lake in Lappeenranta. Finland, April 23, 2017
Old Small Mustola Dock from Mustolanlampi Lake in Lappeenranta. Finland, April 23, 2017
Decorated niche cut in rock cliff (in which a statue probably stood in the past) near a temple to the god of Pan in Banias Park. Golan Heights, the Middle East, April 7, 2001
Ontika Limestone cliff and Gulf of Finland from observation platform in Saka near Kohtla-Jarve. Ida-Viru County, Estonia, February 10, 2018
A trail below Ontika Limestone cliff along Gulf of Finland in Toyla - Oru Park in Kaasiku near Kohtla-Jarve. Ida-Viru County, Estonia, February 10, 2018
Bell tower in Ruokolahti. Finland, April 23, 2017
Kummakivi balancing rock. Southern Finland, August 27, 2016
Gull Rock Tunnel of Cliff Walk trail in Newport. Rhode Island, May 16, 2004
Kukonharju (Suvorov) Canal in Puumala. Finland, April 23, 2017
Suvorov Canal (Kukonharjukanava) in Puumala. Finland, April 23, 2017
Gull Rock tunnel at Cliff Walk trail in Newport. Rhode Island, March 18, 2004
View in direction of Gull Rock from Cliff Walk in Newport. Rhode Island, March 18, 2004
View of Kukonharju (Suvorov) Canal in Puumala. Finland, April 23, 2017
Swamp near Kukonharju (Suvorov) Canal in Puumala. Finland, April 23, 2017
Rocks of Kukonharju (Suvorov) Canal in Puumala. Finland, April 23, 2017
Aspen trees near Kukonharju (Suvorov) Canal in Puumala. Finland, April 23, 2017
Icy Gulf of Finland near near Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, April 11, 2017
Forest and a lake from Kissing Bridge on Punkaharju Island. Lusto, Finland, March 19, 2017
Ice crystals in Gulf of Finland near near Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, April 11, 2017
Shoots of grass on a shore of Gulf of Finland near Lisiy Nos, west from Saint Petersburg. Russia, April 24, 2017
Melting ice crystals in Gulf of Finland near near Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, April 11, 2017
Broken ice crystals in Gulf of Finland near near Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, April 11, 2017
Melting ice crystals in Gulf of Finland near near Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, April 11, 2017
Melting ice in Gulf of Finland near a coast guard station in Sestroretsk, west from Saint Petersburg. Russia, April 11, 2017
Melting ice field in Gulf of Finland near near Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, April 11, 2017
Elongated ice crystals in Gulf of Finland near near Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, April 11, 2017
Glittering ice crystals in Gulf of Finland near near Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, April 11, 2017
Accumulation of melting ice in Gulf of Finland near Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, April 11, 2017
Zigzag cliff-brake fern (Pellaea ovata) on slope of the dome in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Accumulation of melting ice with sand in Gulf of Finland near Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, April 11, 2017
Zigzag cliff-brake fern (Pellaea ovata) in shade of big rocks on Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
View in direction to Rough Point from Cliff Walk at Sheep Point, behind Gull Rock tunnel. Newport, Rhode Island, February 5, 2004.
Ternate cliff-brake fern (Pellaea ternifolia) and spikemoss Selaginella corallina in a stone depression in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Steep limestone hill in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 1, 2016
Rough Point, New Lodge and Ocean View mansions from Cliff Walk at Sheep Point, behind Gull Rock tunnel. Newport, Rhode Island, March 15, 2003.
Rough Point, New Lodge and Ocean View mansions from Cliff Walk at Sheep Point, behind Gull Rock tunnel. Newport, Rhode Island, February 5, 2004.
Rough Point, New Lodge and Ocean View mansions from Cliff Walk at Sheep Point, behind Gull Rock tunnel. Newport, Rhode Island, February 5, 2004.
Rough Point, New Lodge and Ocean View mansions from Cliff Walk at Sheep Point, behind Gull Rock tunnel. Newport, Rhode Island, August 24, 2003
Rough Point, New Lodge and Ocean View mansions from Cliff Walk at Sheep Point, behind Gull Rock tunnel. Newport, Rhode Island, August 24, 2003
Top part of a steep limestone hill in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 1, 2016
Peppered rock-shield lichen (Xanthoparmelia conspersa) on a rock at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
Peppered rock-shield lichen (Xanthoparmelia conspersa) on a rock on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
Peppered rock-shield lichen (Xanthoparmelia conspersa) on a rock at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 14, 2024
Apothecia of peppered rock-shield lichen (Xanthoparmelia conspersa) on a rock at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
Peppered rock-shield lichen (Xanthoparmelia conspersa) with apothecia on a rock at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 14, 2024
Peppered rock-shield lichen (Xanthoparmelia conspersa) with moss on a rock at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 14, 2024
Texture of peppered rock-shield lichen (Xanthoparmelia conspersa) on a rock on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
Growth of peppered rock-shield lichen (Xanthoparmelia conspersa) on a sandstone rock at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 14, 2024
Round patch of peppered rock-shield lichen (Xanthoparmelia conspersa) on a rock at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 14, 2024
Quarry near Jabal Al Jassasiya rock carving site, on north-eastern coast. Qatar, May 9, 2015
A monument to a Soviet academician S. I. Vavilov (a brother of a well-known biologist executed for political reasons) in front of a new building of S. I. Vavilov State Optical Institute. The monument faces barbed wire surrounding the institute at Vasilyevsky Island. Saint Petersburg, Russia, April 14, 1999.
Paintings of birds and an airplane on walls at Ibn Abdul Muttalib Street in Old Al Ghanim area. Doha, Qatar, April 27, 2013
Human faces on an oil painting "The Scream" by Mike Henderson in M. H. de Young Memorial Museum. San Francisco, California, March 16, 2024
Wet rock carvings on a rocky ridge in Jabal Al Jassasiya site, on north-eastern coast. Qatar, December 26, 2015
Rock carvings on a rocky ridge in Jabal Al Jassasiya site, on north-eastern coast. Qatar, March 26, 2016
Steep parts of Nahal Darokh river 4.5 miles east from Sde Boker. The Middle East, April 9, 2001
Peppered rock-shield lichen (Xanthoparmelia conspersa) and sunken rim-lichen (Lecanora oreinoides) on a rock at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
- White Rock Lake (Dallas and a trip to San Francisco, April 1996)
- White Rock Lake (Dallas and a trip to San Francisco, April 1996)
- White Rock Lake (A trip to San Francisco and Dallas, April - May 1996)
- White Rock Lake (A trip to San Francisco and Dallas, April - May 1996)
- White Rock Lake (Dallas and a trip to San Francisco, April 1996)
- White Rock Lake (A trip to San Francisco and Dallas, April - May 1996)
Rock carvings at rain on a rocky ridge in Jabal Al Jassasiya site, on north-eastern coast. Qatar, December 26, 2015
National Museum of Finland from Mannerheimintie Road. Helsinki, Finland, July 18, 2015
Dandelion like flower of Launaea mucronata(?) in Al Jassasiya rock carvings archeological site, on north-eastern coast. Qatar, March 4, 2010
Back entrance of National Museum of Finland from Mannerheimintie Road. Helsinki, Finland, July 18, 2015
Peppered rock-shield lichen (Xanthoparmelia conspersa) and rock-dwelling fern Cheilanthes lindheimeri (Myriopteris lindheimeri, lipfern)(?) on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
Rock carvings of fishing boats at rain on a rocky ridge in Jabal Al Jassasiya site, on north-eastern coast. Qatar, December 26, 2015
Rock carvings (stone engravings, petroglyphs) on a rocky ridge in Jabal Al Jassasiya site, on north-eastern coast. Qatar, February 21, 2015
Rock carvings (stone engravings, petroglyphs) on a rocky ridge in Jabal Al Jassasiya site, on north-eastern coast. Qatar, December 12, 2015
View of south-eastern corner of Old City with El Aqsa Mosque and Dome of the Rock from Mount of Olives. Jerusalem, the Middle East, July 12, 2001
The dome of Enchanted Rock from Moss Lake. Enchanted Rock State Natural Area, Fredericksburg, Texas, December 25, 2018
Rocky ridge covered by rock carvings (stone engravings, petroglyphs) in Jabal Al Jassasiya site, on north-eastern coast. Qatar, March 4, 2010
Various patterns of rock carvings (stone engravings, petroglyphs) on a rocky ridge in Jabal Al Jassasiya site, on north-eastern coast. Qatar, December 12, 2015
Fishing boat on rock carvings (stone engravings, petroglyphs) on a rocky ridge in Jabal Al Jassasiya site, on north-eastern coast. Qatar, May 9, 2015
Salted shell lichen (Coccocarpia palmicola) on a large rock in a forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
Rock carvings (stone engravings, petroglyphs) of a dhow fishing boat on a rocky ridge in Jabal Al Jassasiya site, on north-eastern coast. Qatar, May 9, 2015
Some round holes on rock carvings (stone engravings, petroglyphs) on a rocky ridge in Jabal Al Jassasiya site, on north-eastern coast. Qatar, February 21, 2015
Fishing boats on rock carvings (stone engravings, petroglyphs) on a rocky ridge in Jabal Al Jassasiya site, on north-eastern coast. Qatar, December 12, 2015
- Westlake Drive near White Rock Lake 3/30/97 (Texas Hill Country, Dallas, March 15 - April 5, 1997)
Green berries of eastern swamp privet (Forestiera acuminata var. vestita) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
Rock carving (stone engravings, petroglyphs) of a dhow fishing boat on a rocky ridge in Jabal Al Jassasiya site, on north-eastern coast. Qatar, March 4, 2010
Close up of a fishing boat on rock carvings (stone engravings, petroglyphs) on a rocky ridge in Jabal Al Jassasiya site, on north-eastern coast. Qatar, February 21, 2015
Sea lavender (Limonium axillare) growing near rock carvings (stone engravings, petroglyphs) on a rocky ridge in Jabal Al Jassasiya site, on north-eastern coast. Qatar, February 21, 2015
Rock carvings (stone engravings, petroglyphs) of a dhow fishing boat with oars on a rocky ridge in Jabal Al Jassasiya site, on north-eastern coast. Qatar, February 21, 2015
Group of fishing boats with oars on rock carvings (stone engravings, petroglyphs) on a rocky ridge in Jabal Al Jassasiya site, on north-eastern coast. Qatar, February 21, 2015
Rock carvings (stone engravings, petroglyphs) of two dhow fishing boats with oars on a rocky ridge in Jabal Al Jassasiya site, on north-eastern coast. Qatar, February 21, 2015
Rock carvinsg (stone engravings, petroglyphs) of a daisy like pattern (rosette of cup marks) on a rocky ridge in Jabal Al Jassasiya site, on north-eastern coast. Qatar, February 21, 2015
Daisy like pattern (rosette of cup marks) on rock carvings (stone engravings, petroglyphs) on a rocky ridge in Jabal Al Jassasiya site, on north-eastern coast. Qatar, February 21, 2015
Traditional fishing boat or dhow on rock carvings (stone engravings, petroglyphs) on a rocky ridge in Jabal Al Jassasiya site, on north-eastern coast. Qatar, December 12, 2015
Echo Canyon and Little Rock from a slope of Enchanted Rock in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Hotel Punkaharju. Lusto, Finland, March 19, 2017
Stone pit on rock carvings (stone engravings, petroglyphs) on a rocky ridge in Jabal Al Jassasiya site, on north-eastern coast. Qatar, February 21, 2015
Almost dry plant of Tetraena qatarense (Zygophyllum qatarense) on a rocky ridge in Jabal Al Jassasiya rock carving site, on north-eastern coast. Qatar, May 9, 2015
Stone pit on rock carvings (stone engravings, petroglyphs) on a rocky ridge in Jabal Al Jassasiya site, on north-eastern coast. Qatar, December 12, 2015
Little Rock from a slope of Enchanted Rock in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Bas relief of a traditional fishing boat or dhow with oars in rock carvings (stone engravings, petroglyphs) on a rocky ridge in Jabal Al Jassasiya site, on north-eastern coast. Qatar, May 9, 2015
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