 Lake Ruokosalmi from Haukkavuorella Hill. Southern Finland, August 27, 2016
 View of Lake Ruokosalmi from Haukkavuorella Hill. Southern Finland, August 27, 2016
 View of Lake Ruokosalmi from Haukkavuorella (Hawk) Hill. Southern Finland, August 27, 2016
 Kummakivi Stone (boulder). Southern Finland, August 27, 2016
 Kummakivi balancing rock. Southern Finland, August 27, 2016
 Lichen on a bunker of Salpa Line of WWII. Southern Finland, August 27, 2016
 Forest near Kangaslammentie Road, view from a tourist bus. Southern Finland, August 27, 2016
 Birch forest near Sarajarventie Road, view from a tourist bus. Southern Finland, August 27, 2016
 Birch grove near Torsansalontie Road, view from a tourist bus. Southern Finland, August 27, 2016
 Historic milestone (limit sign) on Haukkavuorella Hill. Southern Finland, August 27, 2016
 Bunker of Salpa Line (Suomen Salpa) of WWII. Southern Finland, August 27, 2016
 Cave deposits in Cathedral Cave in Onondaga Cave State Park. Leasburg, Missouri, September 24, 2005
 In Cathedral Cave in Onondaga Cave State Park. Leasburg, Missouri, September 24, 2005
 Cathedral Cave in Onondaga Cave State Park. Leasburg, Missouri, September 24, 2005
 Wildflowers near Gulf of Finland near Morskaya, 5 miles west from Saint Petersburg. Russia, August 5, 2016
 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
 White funnel like mushrooms Clitopilus scyphoides(?) near Gulf of Finland near Morskaya, 5 miles west from Saint Petersburg. Russia, August 5, 2016
 Staminate flowers of common hop (Humulus lupulus) near Gulf of Finland near Morskaya, 5 miles west from Saint Petersburg. Russia, August 5, 2016
 Fringed earthstar mushrooms (Geastrum fimbriatum) near Gulf of Finland between Morskaya and Lisiy Nos, 5 miles west from Saint Petersburg. Russia, August 5, 2016
 Shaggy scalycap mushrooms (Pholiota squarrosa) on a log near Gulf of Finland between Morskaya and Lisiy Nos, 5 miles west from Saint Petersburg. Russia, August 5, 2016
 Scalycap mushrooms Pholiota squarrosoides on a tree near Gulf of Finland between Morskaya and Lisiy Nos, 5 miles west from Saint Petersburg. Russia, August 5, 2016
 Terracotta hedgehog mushrooms (Hydnum rufescens) near Gulf of Finland between Morskaya and Lisiy Nos, 5 miles west from Saint Petersburg. Russia, August 5, 2016
 Fruit bodies of fringed earthstar mushrooms (Geastrum fimbriatum) near Gulf of Finland between Morskaya and Lisiy Nos, 5 miles west from Saint Petersburg. Russia, August 5, 2016
 Peeling fruit bodies of fringed earthstar mushrooms (Geastrum fimbriatum) near Gulf of Finland between Morskaya and Lisiy Nos, 5 miles west from Saint Petersburg. Russia, August 5, 2016
 Emerging fruit bodies of fringed earthstar mushrooms (Geastrum fimbriatum) near Gulf of Finland between Morskaya and Lisiy Nos, 5 miles west from Saint Petersburg. Russia, August 5, 2016
 Tender nesting polypore mushroom (Hapalopilus rutilans, Hapalopilus nidulans) near Gulf of Finland between Morskaya and Lisiy Nos, 5 miles west from Saint Petersburg. Russia, August 5, 2016
 A cave in Dahl Al Hamam Park at Al Markhiya Street. Doha, Qatar, March 16, 2016
 Small cave ib clay soil on the lake shore near Birch Creek Unit of Somerville Lake State Park. Texas, January 16, 2023
 National Museum of Finland from Mannerheimintie Road. Helsinki, Finland, July 18, 2015
 Back entrance of National Museum of Finland from Mannerheimintie Road. Helsinki, Finland, July 18, 2015
 A cave of Ozark Caverns in Lake of the Ozarks State Park. Missouri, September 10, 2005
 Cave Cathedral of Pokrovo Tervenichi Women s Christian Orthodox Monastery. Area of Lodeynoe Pole, Leningrad Region, Russia, August 4, 2012
 Underground river Poneretka emerging from a cave and meeting Msta River near Borovichi. Novgorod Region, Russia, July 3, 2016
 Accumulation of long-legged harvestmen (Daddy longlegs) spiders in Tonkawa Indian Cave in Mother Neff State Park. Moody, Texas, August 23, 2008
 Angels Showers waterfall in a cave of Ozark Caverns in Lake of the Ozarks State Park. Missouri, September 10, 2005
 Gulf of Finland in Solnechnoe, near Saint Petersburg. Russia, May 12, 2016
 Gulf of Finland near Solnechnoe, near Saint Petersburg. Russia, May 12, 2016
 Turgoyak Lake near Miass. Southern Ural, Russia, August 15, 2001
 Mouth of underground river Poneretka emerging from a cave and meeting 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
 Cave Cathedral of Kievo Pechory Saints in Pokrovo Tervenichi Women s Christian Orthodox Monastery. Area of Lodeynoe Pole, Leningrad Region, Russia, August 4, 2012
 Underground river Poneretka emerging from a cave and meeting whitewater area of Msta River near Borovichi. Novgorod Region, Russia, July 3, 2016
 Colors of Gulf of Finland near Solnechnoe, near Saint Petersburg. Russia, May 12, 2016
 Shores of Turgoyak Lake near Miass. Southern Ural, Russia, August 15, 2001
 A lake and a bench near a trail south-west from Visitor Center in Onondaga Cave State Park. Leasburg, Missouri, September 24, 2005
 Shallow water of Gulf of Finland near Solnechnoe, near Saint Petersburg. Russia, May 12, 2016
 A ship in Gulf of Finland near Petrovskaya Pier in Kronstadt, Russia, August 3, 2001
 Gulf of Finland in Sestroretsk at windy day. Near Saint Petersburg, Russia, August 1, 2001
 Gulf of Finland in Solnechnoe, north-west from Saint Petersburg. Russia, July 8, 2016
 A fort in Gulf of Finland near Solnechnoe and Sestroretsk. Near Saint Petersburg, Russia, August 1, 2001
 Gulf of Finland and a beach in Sestroretsk at windy day. Near Saint Petersburg, Russia, August 1, 2001
 Gulf of Finland between Solnechnoe and Sestroretsk at windy day. Near Saint Petersburg, Russia, August 1, 2001
 Kavgolovskoe Lake from the southern shore, between Oselki and Toksovo, north from Saint Petersburg. Russia, August 13, 2024
 Dunes and Gulf of Finland between Solnechnoe and Sestroretsk at windy day. Near Saint Petersburg, Russia, August 1, 2001
 Bolders in Gulf of Finland in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, August 15, 2017
 Salt tolerant plant Salsola vermiculata(?) on windblown sand on southern side of Salwa Road in area of Khashem Al Nekhsh. Southern Qatar, March 18, 2016
 Rare plant Koelpinia linearis with seeds in windblown sand on southern side of Salwa Road in area of Khashem Al Nekhsh. Southern Qatar, March 18, 2016
 Oak near Gulf of Finland in Blizhniye Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, October 19, 2016
 Finland stone in Levashovskaya Pustosh Memorial Cemetery. Levashovo near Saint Petersburg, Russia, October 30, 2016
 Boulders in Gulf of Finland in Alexandria Park. Peterhof, a suburb of Saint Petersburg, Russia, September 27, 2016
 Reeds in southern part of Kavgolovskoe Lake between Oselki and Toksovo, north from Saint Petersburg. Russia, August 13, 2024
 Gulf of Finland and Sestroretsk from a spit in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024
 Stony beach of Gulf of Finland in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, August 15, 2017
 Plant of dandelion family Koelpinia linearis with fruits in windblown sand on southern side of Salwa Road in area of Khashem Al Nekhsh. Southern Qatar, March 18, 2016
 Road near Gulf of Finland in Blizhniye Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, October 19, 2016
 Trail near Gulf of Finland in Blizhniye Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, October 19, 2016
 Small plant of scarlet pea (Indigofera intricata, local name humeira) in windblown sand on southern side of Salwa Road in area of Khashem Al Nekhsh. Southern Qatar, March 18, 2016
 Gotleben Fort in Gulf of Finland from a spit in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024
 Granite rocks on extremety in Gulf of Finland in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, August 18, 2018
 Puffballs mushrooms on a forest opening near Gulf of Finland near Lisiy Nos. West from Saint Petersburg, Russia, August 26, 2018
 Plant of dandelion family Koelpinia linearis with curved seed heads in windblown sand on southern side of Salwa Road in area of Khashem Al Nekhsh. Southern Qatar, March 18, 2016
 Chestnut bolete mushroom (Gyroporus castaneus) near Gulf of Finland near Lisiy Nos, south from Saint Petersburg. Russia, September 3, 2016
 Fall colors near Gulf of Finland in Blizhniye Dubki area near Lisiy Nos, west from Saint Petersburg. Russia, October 19, 2016
 Wooden pathway for fishing in southern part of Kavgolovskoe Lake between Oselki and Toksovo, north from Saint Petersburg. Russia, August 13, 2024
 Death cap mushrooms (Amanita phalloides) under oaks near Gulf of Finland near Lisiy Nos. West from Saint Petersburg, Russia, August 26, 2018
 Sepia bolete mushroom Xerocomellus porosporus near Gulf of Finland near Lisiy Nos. West from Saint Petersburg, Russia, August 26, 2018
 Old chicken of the woods mushrooms (Laetiporus sulphureus) on an oak near Gulf of Finland near Lisiy Nos, south from Saint Petersburg. Russia, August 17, 2018
 White Island of Gulf of Finland from Tarkhovsky Mys (extremity) in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, August 15, 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
 View of Peter Canal, Ambassador Pavilion and Gulf of Finland from Konstantinovsky Palace in Strelna. Saint Petersburg, Russia, August 3, 2004
 Rock paintings at Lake Saimaa in Kolmiko"ytisenvuori. Eastern Finland, April 23, 2017
 Vittrask Lake from a hill near Hvittrask Museum. West from Helsinki, Finland, July 18, 2015
 Forest and a lake from Kissing Bridge on Punkaharju Island. Lusto, Finland, March 19, 2017
 Claspingleaf pondweed (Potamogeton perfoliatus, Russian name Rdest) taken from Gulf of Finland near Solnechnoe north-west from Saint Petersburg. Russia, July 8, 2016
 Marsh marigold (kingcup, Caltha palustris, Russian name Kaluzhnitsa) on a shore of Gulf of Finland near Lakhta, a suburb of Saint Petersburg, Russia, May 11, 2016
 Shoot of Horseshoe vetch (Hippocrepis bicontorta, Hippocrepis areolata) on windblown sand on southern side of Salwa Road in area of Khashem Al Nekhsh. Southern Qatar, March 18, 2016
 Gulf of Finland in Sestroretsk, with Kotlin Island on the horizon. A tall building is Maritime Cathedral in Kronstadt. Near Saint Petersburg, Russia, August 1, 2001
 Horseshoe vetch (Hippocrepis bicontorta, Hippocrepis areolata, local name umm ghurein) in windblown sand on southern side of Salwa Road in area of Khashem Al Nekhsh. Southern Qatar, March 18, 2016
 Shoot of Horseshoe vetch (Hippocrepis bicontorta, Hippocrepis areolata) with fruits on windblown sand on southern side of Salwa Road in area of Khashem Al Nekhsh. Southern Qatar, March 18, 2016
 Fruits of Horseshoe vetch (Hippocrepis bicontorta, Hippocrepis areolata, local name umm ghurein) in windblown sand on southern side of Salwa Road in area of Khashem Al Nekhsh. Southern Qatar, March 18, 2016
 View of area of Nuottaniemi and Highway 51 near Helsinki from a window of a plane from Tallinn to Helsinki. Finland, August 15, 2024
 Prostrate plant of Horseshoe vetch (Hippocrepis bicontorta, Hippocrepis areolata, local name umm ghurein) in windblown sand on southern side of Salwa Road in area of Khashem Al Nekhsh. Southern Qatar, March 18, 2016
 Rocky hill from a road descending from Hvittrask Museum to a lake. West from Helsinki, Finland, July 18, 2015
 Highway 51 and Sport Arena in Lansikorkee area of Helsinki from a window of a plane from Tallinn to Helsinki. Finland, August 15, 2024
 Gulf of Finland and Sestroretsk from Tarkhovka spit in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024
 Gulf of Finland with Kronstadt on horizon from Tarkhovka spit in Tarkhovka Park, west from Saint Petersburg. Russia, August 2, 2024
 Rock paintings on steep cliff faces at Lake Saimaa in Kolmiko"ytisenvuori. Eastern Finland, April 23, 2017
 Thorny plant of Centaurea sinaica (Centaurea pseudosinaica, Amberboa crupioides, local names birkan, murrar) in windblown sand on southern side of Salwa Road in area of Khashem Al Nekhsh. Southern Qatar, March 18, 2016
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