![](../../pictures/archives/compress/2018/2225/jpeg/01t.jpg) Ontika Limestone cliff with Kivisilla Falls near Kohtla-Jarve. Ida-Viru County, Estonia, February 10, 2018
![](../../pictures/archives/compress/2018/2225/jpeg/20t.jpg) Frozen Martsa Falls below Ontika Limestone cliff in Toyla - Oru Park near Kohtla-Jarve. Ida-Viru County, Estonia, February 10, 2018
![](../../pictures/archives/compress/2018/2225/jpeg/08t.jpg) Valaste Falls and Ontika Limestone cliff in Ontika near Kohtla-Jarve. Ida-Viru County, Estonia, February 10, 2018
![](../../pictures/archives/compress/2018/2225/jpeg/06t.jpg) Ontika Limestone cliff above Karjaoru Falls near Kohtla-Jarve. Ida-Viru County, Estonia, February 10, 2018
![](../../pictures/archives/compress/2018/2225/jpeg/07t.jpg) Frozen Valaste Falls in Ontika near Kohtla-Jarve. Ida-Viru County, Estonia, February 10, 2018
![](../../pictures/archives/compress/2018/2225/jpeg/10t.jpg) Martsa waterfall on Ontika Limestone cliff near Kohtla-Jarve. Ida-Viru County, Estonia, February 10, 2018
![](../../pictures/archives/compress/2018/2225/jpeg/03t.jpg) Ontika Limestone cliff and a forest in Saka near Kohtla-Jarve. Ida-Viru County, Estonia, February 10, 2018
![](../../pictures/archives/compress/2018/2225/jpeg/04t.jpg) Ontika Limestone cliff and Gulf of Finland from observation platform in Saka near Kohtla-Jarve. Ida-Viru County, Estonia, February 10, 2018
![](../../pictures/archives/compress/2018/2225/jpeg/09t.jpg) 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
![](../../pictures/archives/compress/2018/2225/jpeg/11t.jpg) Frozen Martsa Falls in Toyla - Oru Park near Kohtla-Jarve. Ida-Viru County, Estonia, February 10, 2018
![](../../pictures/archives/compress/2018/2225/jpeg/12t.jpg) Icy Martsa Falls in Toyla - Oru Park near Kohtla-Jarve. Ida-Viru County, Estonia, February 10, 2018
![](../../pictures/archives/compress/2018/2225/jpeg/16t.jpg) Martsa Falls in winter in Toyla - Oru Park near Kohtla-Jarve. Ida-Viru County, Estonia, February 10, 2018
![](../../pictures/archives/compress/2018/2225/jpeg/18t.jpg) Snow and ice of Martsa Falls in Toyla - Oru Park near Kohtla-Jarve. Ida-Viru County, Estonia, February 10, 2018
![](../../pictures/archives/compress/2018/2225/jpeg/14t.jpg) Icecles of Martsa Falls in Toyla - Oru Park near Kohtla-Jarve. Ida-Viru County, Estonia, February 10, 2018
![](../../pictures/archives/compress/2018/2225/jpeg/15t.jpg) Icy masses of Martsa Falls in Toyla - Oru Park near Kohtla-Jarve. Ida-Viru County, Estonia, February 10, 2018
![](../../pictures/archives/compress/2018/2225/jpeg/05t.jpg) Forest along Gulf of Finland near Karjaoru Falls in Saka near Kohtla-Jarve. Ida-Viru County, Estonia, February 10, 2018
![](../../pictures/archives/compress/2018/2225/jpeg/19t.jpg) Winter view of Martsa Falls in Toyla - Oru Park near Kohtla-Jarve. Ida-Viru County, Estonia, February 10, 2018
![](../../pictures/archives/compress/2018/2225/jpeg/13t.jpg) Martsa waterfall in Toyla - Oru Park near Kohtla-Jarve. Ida-Viru County, Estonia, February 10, 2018
![](../../pictures/archives/compress/2024/3604/jpeg/01t.jpg) Guard towers of Viru Gate at Viru 26 in Tallinn old town. Estonia, August 14, 2024
![](../../pictures/archives/compress/2024/3604/jpeg/02t.jpg) Intimo and Viru 17 shops in Tallinn old town. Estonia, August 14, 2024
![](../../pictures/archives/compress/2005/479/jpeg/10t.jpg) Frozen Taughannock Falls near Ithaca, view from upper falls overlook. New York, December 10, 2005
![](../../pictures/archives/compress/2019/2428/jpeg/07t.jpg) Limestone rocks near the falls in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2010/830/jpeg/25t.jpg) Stone hut nestling under a limestone cliff remained from television production in Ras Abrouq peninsula in west central coastal area, north from Zekreet. Qatar, February 13, 2010
![](../../pictures/archives/compress/2005/479/jpeg/12t.jpg) Frozen Taughannock Falls near Ithaca. New York, December 10, 2005
![](../../pictures/archives/compress/2005/478/jpeg/06t.jpg) Frozen Taughannock Falls, zoomed. Ithaca, New York, November 26, 2005
![](../../pictures/archives/compress/2005/479/jpeg/11t.jpg) Frozen Taughannock Falls near Ithaca, view from a bridge. New York, December 10, 2005
![](../../pictures/archives/compress/2005/478/jpeg/05t.jpg) Frozen Taughannock Falls, view from a bridge. Ithaca, New York, November 26, 2005
![](../../pictures/archives/compress/2014/1484/jpeg/08t.jpg) Limestone cliff on Jebel Fuwairit. Qatar, October 3, 2014
![](../../pictures/archives/compress/2007/572/jpeg/11t.jpg) Frozen Buttermilk Falls on Mountain Road in Delaware Water Gap. New Jersey, March 3, 2007
![](../../pictures/archives/compress/2014/1484/jpeg/11t.jpg) Limestone cliff at sunrise on Jebel Fuwairit. Qatar, October 3, 2014
![](../../pictures/archives/compress/2015/1567/jpeg/20t.jpg) Limestone cliff in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
![](../../pictures/archives/compress/2005/477/jpeg/26t.jpg) Beebe Lake dam falls from Triphammer foot bridge, frozen. Ithaca, New York, November 26, 2005
![](../../pictures/archives/compress/2015/1568/jpeg/07t.jpg) Overhanging limestone cliff in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
![](../../pictures/archives/compress/2002/248/jpeg/22t.jpg) A small limestone cliff near Chalcolithic temple in Ein Gedi. The Middle East, January 24, 2002
![](../../pictures/archives/compress/2015/1568/jpeg/14t.jpg) Mushroom-shaped limestone cliff in Harrarah (Al Kharrarah). Southern Qatar, March 27, 2015
![](../../pictures/archives/compress/2016/1802/jpeg/13t.jpg) Edge of a limestone cliff in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 8, 2016
![](../../pictures/archives/compress/2016/1802/jpeg/14t.jpg) Broken limestone cliff in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 8, 2016
![](../../pictures/archives/compress/2016/1793/jpeg/10t.jpg) Vegetation around a limestone cliff in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 1, 2016
![](../../pictures/archives/compress/2016/1793/jpeg/04t.jpg) Top section of a limestone cliff in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 1, 2016
![](../../pictures/archives/compress/2016/1793/jpeg/06t.jpg) View from a limestone cliff in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 1, 2016
![](../../pictures/archives/compress/2016/1793/jpeg/07t.jpg) Edge of a limestone cliff in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 1, 2016
![](../../pictures/archives/compress/2015/1591/jpeg/11t.jpg) Mushroom shaped limestone cliff in area of Nakhsh Mountain near Salwa Road in southern Qatar, May 8, 2015
![](../../pictures/archives/compress/2016/1801/jpeg/18t.jpg) Sandy area below a limestone cliff in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 8, 2016
![](../../pictures/archives/compress/2016/1793/jpeg/08t.jpg) Broken part of a limestone cliff in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 1, 2016
![](../../pictures/archives/compress/2016/1801/jpeg/21t.jpg) Plant of Agriophyllum minus in sand below a limestone cliff in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 8, 2016
![](../../pictures/archives/compress/2005/477/jpeg/19t.jpg) Frozen Ithaca Falls. Ithaca, New York, November 25, 2005
![](../../pictures/archives/compress/2005/479/jpeg/09t.jpg) Frozen Ithaca Falls. Ithaca, New York, December 9, 2005
![](../../pictures/archives/compress/2016/1801/jpeg/19t.jpg) Plant of Agriophyllum minus in sandy area below a limestone cliff in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 8, 2016
![](../../pictures/archives/compress/2016/1801/jpeg/25t.jpg) Plant of Agriophyllum minus in windblown sand below a limestone cliff in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 8, 2016
![](../../pictures/archives/compress/2016/1801/jpeg/20t.jpg) Tribulus macropterus var. arabicus in sandy area below a limestone cliff in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 8, 2016
![](../../pictures/archives/compress/2016/1801/jpeg/22t.jpg) Blooming Tribulus macropterus var. arabicus in sandy area below a limestone cliff in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 8, 2016
![](../../pictures/archives/compress/2019/2428/jpeg/18t.jpg) Cracked limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/11t.jpg) Various crustose lichens on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2428/jpeg/15t.jpg) Black limestone rocks in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/29t.jpg) Lichens and sorrel on shady limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/08t.jpg) Leather lichen (Dermatocarpon) on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/09t.jpg) Black lichen Verrucaria on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/27t.jpg) Buellia and other lichens on a limestone rock in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/07t.jpg) Grey crustose lichen on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/13t.jpg) Crustose lichens of different colors on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2428/jpeg/26t.jpg) Leather lichen (Dermatocarpon) on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/26t.jpg) Button lichen (Buellia) on a limestone rock in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/14t.jpg) Brown and orange crustose lichens on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/25t.jpg) Leather lichen (Dermatocarpon) on limestone in a forest in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/12t.jpg) Dark-green crustose lichen on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/05t.jpg) Button lichen (Buellia) on a limestone rock in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/04t.jpg) Button lichen (Buellia) on limestone near the river in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/02t.jpg) Tar-jelly lichen (Collema) on limestone conglomerate in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2428/jpeg/08t.jpg) Smooth limestone rocks near the water stream in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2428/jpeg/25t.jpg) Some whitish lichen on a limestone rock near the river in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/03t.jpg) Button lichen (Buellia) on limestone rock near the river in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/19t.jpg) Dust lichen (Lepraria) on limestone in shade of cliffs in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/22t.jpg) Ruffle lichen (Parmotrema) on a mossy limestone rock in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/34t.jpg) Green Cladonia lichen on sandstone or limestone in a forest in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/10t.jpg) Close up of black and green lichen Verrucaria on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/32t.jpg) White patch of Aspicilia lichen on a limestone rock in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/28t.jpg) Button lichen (Buellia) on a mossy limestone rock in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/06t.jpg) Patches of button lichen (Buellia) on a limestone rock in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/23t.jpg) Ruffle lichen (Parmotrema) in shade on a mossy limestone rock in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/31t.jpg) Rock shield lichen (Xanthoparmelia) on limestone in a red cedar forest in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/35t.jpg) Close up of green Cladonia lichen on sandstone or limestone in a forest in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/15t.jpg) Some dark-green crustose lichen on a limestone rock near the river in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/21t.jpg) Ruffle lichen (Parmotrema) on a mossy limestone rock in a red cedar forest in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/20t.jpg) Blunt pellitory (Parietaria pensylvanica, Urticaceae) in shade of limestone cliffs in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2022/3196/jpeg/32t.jpg) Port Sullivan Church at County Road 262, Milam County. Texas, July 24, 2022
![](../../pictures/archives/compress/2019/2428/jpeg/21t.jpg) Bordered scale lichen (Psora pseudorussellii) on a limestone conglomerate rock near the river in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2008/666/jpeg/07t.jpg) 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
![](../../pictures/archives/compress/2019/2429/jpeg/30t.jpg) Rock shield lichen (Xanthoparmelia)(?) on a limestone rock in a forest in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/24t.jpg) Rock shield lichen (Xanthoparmelia) on a mossy limestone rock in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2022/3196/jpeg/34t.jpg) Unicorn plant (devil s claw, Proboscidea loisianica) on roadside of County Road 264 in Branchville, Milam County. Texas, July 24, 2022
![](../../pictures/archives/compress/2019/2428/jpeg/24t.jpg) Chiseled sunken disk lichen (Circinaria contorta, Aspicilia contorta) on limestone near the river in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2428/jpeg/23t.jpg) Firedot lichen Caloplaca subsoluta (Squamulea subsoluta, Caloplaca irrubescens) on limestone near the river in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/1998/61/jpeg/21t.jpg) Tippecanoe County Amphitheater near Battle Ground, Indiana, February 14, 1998.
![](../../pictures/archives/compress/2004/377/jpeg/08t.jpg) A village and frozen Slocums River at the end of Gaffney Road. Dartmouth, Massachusetts, February 8, 2004
![](../../pictures/archives/compress/2004/375/jpeg/26t.jpg) Frozen quahog shells on Horseneck Beach at sunset. Westport, Massachusetts, February 1, 2004
![](../../pictures/archives/compress/2004/375/jpeg/24t.jpg) A shell of quahog frozen into Horseneck Beach at sunset. Westport, Massachusetts, February 1, 2004
![](../../pictures/archives/compress/2004/377/jpeg/09t.jpg) A village and frozen Slocum River at the end of Gaffney Road. Dartmouth, Massachusetts, February 8, 2004
![](../../pictures/archives/compress/2007/569/jpeg/05t.jpg) Frozen bay from Fort Hancock Historic District. Sandy Hook, New Jersey, February 11, 2007
![](../../pictures/archives/compress/2004/377/jpeg/07t.jpg) Boats and frozen Slocum s River at the end of Gaffney Road. Dartmouth, Massachusetts, February 8, 2004
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