 Oak mazegill mushrooms (Daedalea quercina) on a stump in Aleksandrovsky (Alexander) Park. Pushkin (former Tsarskoe Selo) near Saint Petersburg, Russia, October 10, 2025
 Maze-gill fungus (oak mazegill mushroom, Daedalea quercina) with a violet fungus Tulasnella violea in Lisiy Nos, west from Saint Petersburg. Russia, October 9, 2016
 Maze-gill fungus (oak mazegill mushroom, Daedalea quercina) near Lisiy Nos, west from Saint Petersburg. Russia, May 2, 2017
 Maze-gill fungus (oak mazegill mushroom, Daedalea quercina) in Lisiy Nos, west from Saint Petersburg. Russia, September 12, 2016
 Brick cap mushrooms (Hypholoma lateritium, Hypholoma sublateritium) together with oak mazegill fungus, Daedalea quercina, near Lisiy Nos, west from Saint Petersburg. Russia, September 16, 2016
 Maze-gill fungus (oak mazegill mushroom, Daedalea quercina) on an old stump of oak tree in Lisiy Nos, west from Saint Petersburg. Russia, September 12, 2016
 Maze-gill fungus (oak mazegill mushroom, Daedalea quercina) growing in a cavity near Lisiy Nos, west from Saint Petersburg. Russia, February 18, 2017
 Pattern of a cap of maze-gill fungus (oak mazegill mushroom, Daedalea quercina) taken form area near Lisiy Nos, west from Saint Petersburg. Russia, April 24, 2017
 Texture of a cap of maze-gill fungus (oak mazegill mushroom, Daedalea quercina) taken form area near Lisiy Nos, west from Saint Petersburg. Russia, April 24, 2017
 Maze-gill fungus (oak mazegill mushroom, Daedalea quercina) in area of Blizhnie Dubki near Lisiy Nos, west from Saint Petersburg. Russia, April 24, 2017
 Caps of maze-gill fungus (oak mazegill mushroom, Daedalea quercina) in area of Blizhnie Dubki near Lisiy Nos, west from Saint Petersburg. Russia, April 24, 2017
 Maze-gill fungus (oak mazegill mushroom, Daedalea quercina) on oak logs in area of Blizhnie Dubki near Lisiy Nos, west from Saint Petersburg. Russia, March 31, 2017
 Hymenophore of maze-gill fungus (oak mazegill mushroom, Daedalea quercina) in area of Blizhnie Dubki near Lisiy Nos, west from Saint Petersburg. Russia, April 24, 2017
 Oak mazegill mushrooms (Daedalea quercina) on a large stump in Smolenskoe Lutheran Cemetery on Dekabristov Island. Saint Petersburg, Russia, August 12, 2024
 Hymenophore of maze-gill fungus (oak mazegill mushroom, Daedalea quercina) on oak logs in area of Blizhnie Dubki near Lisiy Nos, west from Saint Petersburg. Russia, March 31, 2017
 Spores of coral fungus Lentaria byssiseda collected earlier 10/13/2025 from a tall oak tree in Sergievka Park, Old Peterhof, west from Saint Petersburg, Russia, October 19, 2025
 "Golden Autumn" forest near Leuchtenberg Palace. Sergievka Park, Old Peterhof, west from Saint Petersburg, Russia, October 13, 2025
 Forest-like atmosphere and natural landscape in Sergievka Park near Universitet. Old Peterhof, west from Saint Petersburg, Russia, October 13, 2025
 Forest scene near the railroad tracks. Sergievka Park near Universitet, Old Peterhof, west from Saint Petersburg, Russia, October 13, 2025
 Coral fungus Lentaria byssiseda on bark of a tall oak. Sergievka Park, Old Peterhof, west from Saint Petersburg, Russia, October 13, 2025
 A narrow dirt path, cresting a small hill in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 13, 2025
 Coral fungus Lentaria byssiseda on a tall oak tree. Sergievka Park, Old Peterhof, west from Saint Petersburg, Russia, October 13, 2025
 Rugged stone steps covered by yellow maple leaves. Sergievka Park, Old Peterhof, west from Saint Petersburg, Russia, October 13, 2025
 Rustic stone crossing of Kristatelka River situated below the dam and pond. Sergievka Park, Old Peterhof, west from Saint Petersburg, Russia, October 13, 2025
 A rustic stone bridge of Sergievka Park s hydraulic system, spanning the small creek that connects the Bolshoy Prud (Big Pond) and the Ogorodny Prud (Kitchen Garden Pond). Sergievka Park, Old Peterhof, west from Saint Petersburg, Russia, October 13, 2025
 A stone dam spanning the Kristatelka River which is a historic hydraulic feature of the Sergievka Park ensemble. Old Peterhof, west from Saint Petersburg, Russia, October 13, 2025
 Mushrooms Meottomyces dissimulans on rotting leaves in a ditch in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, May 19, 2021
 Some mold like fungus on rotting polypore mushrooms in lower Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, May 19, 2021
 Oak maze-gill mushroom (Daedalea quercina) with a violet patch-forming fungus Tulasnella violea in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, October 2, 2016
 Front view of the bridge acting as a gateway into the deeper, leaf-strewn forest. Sergievka Park, Old Peterhof, west from Saint Petersburg, Russia, October 13, 2025
 Close-up of some mold like fungus on rotting polypore mushrooms in lower Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, May 19, 2021
 Fringed polypore mushrooms (Lentinus substrictus) on a rotting log in lower Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, May 19, 2021
 Sturdy stone bridge, crossing the Kristatelka River just downstream from the famous "Adam s Head" sculpture. Sergievka Park, Old Peterhof, west from Saint Petersburg, Russia, October 13, 2025
 Mixed forest path, where the untamed woodland creates a natural tunnel of "Golden Autumn" foliage. Sergievka Park near Universitet, Old Peterhof, west from Saint Petersburg, Russia, October 13, 2025
 A gently rising road leading toward Leuchtenberg Palace, drawing visitors uphill through a tunnel of golden autumn foliage in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 13, 2025
 An ancient stone staircase crossing the Kristatelka River which is a charming remnant of the park s 19th-century romantic landscape design. Sergievka Park, Old Peterhof, west from Saint Petersburg, Russia, October 13, 2025
 This winding dirt path ascends a steep slope covered in an old-growth maple forest, showcasing the serene and untamed beauty of Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 13, 2025
 Dense forest scene illustrating the unique "mixed woodland" character of Sergievka Park, where old-growth deciduous trees mingle with younger evergreens. Old Peterhof, west from Saint Petersburg, Russia, October 13, 2025
 Narrow, leaf-strewn path winding through the heart old-growth forest, exemplifying the serene, immersive quality of the "Golden Autumn" season. Sergievka Park, Old Peterhof, west from Saint Petersburg, Russia, October 13, 2025
 A modest stone bridge with simple iron railings crossings a quiet, reflective section of the Kristatelka River, showcasing the "Golden Autumn". Sergievka Park, Old Peterhof, west from Saint Petersburg, Russia, October 13, 2025
 Sweet tooth mushrooms (Hydnum repandum)(?) in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Scaly knight mushrooms (Tricholoma vaccinum) in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Iodine bonnet mushrooms (Mycena filopes)(?) in lower Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Clouded funnel mushrooms (Clitocybe nebularis) in lower Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 From this more distant perspective, the bridge serves as a gateway through the dense "Golden Autumn" forest, its dark iron silhouette creating a strong focal point amidst the vibrant foliage. Sergievka Park, Old Peterhof, west from Saint Petersburg, Russia, October 13, 2025
 Forest floor with a dense carpet of fallen leaves. The ground is thickly blanketed in thousands of yellow maple leaves, intermixed with brown oak and linden litter. Sergievka Park, Old Peterhof, west from Saint Petersburg, Russia, October 13, 2025
 Tiny cup mushrooms Hymenoscyphus serotinus(?) at the base of ash tree in lower Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Close up of goblet funnel cap mushrooms (Pseudoclitocybe cyathiformis) in lower Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Tall mushrooms iodine bonnet (Mycena filopes)(?) in lower Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Sweet tooth mushrooms (Hydnum repandum) in a spruce forest in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Goblet funnel cap mushrooms (Pseudoclitocybe cyathiformis) on discarded cut wood in lower Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Goblet funnel cap mushrooms (Pseudoclitocybe cyathiformis) on rotten cut wood in lower Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Alley in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 The "Stone Head" (also known as "The Old Man" or "Adam s Head") which is Sergievka Park s most famous and mysterious landmark. Carved from a massive granite boulder in situ, its origins are unclear. Most researchers date it to around 1800, attributing it to an unknown master, possibly based on a design by Franz Brouer. The sculpture appears to be sinking into the earth, with its eyes wide open, gazing up from the bottom of a ravine near the manor house, surrounded by fallen autumn leaves. Sergievka Park, Old Peterhof, west from Saint Petersburg, Russia, October 13, 2025
 Oak maze-gill mushrooms (Daedalea quercina) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, March 2, 2017
 Stone steps in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Birch trees in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Krystatelka River in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Fall colors in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Stone stairs in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Stone head in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 11, 2016
 Leykhtenbergsky Palace in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Scenery near Bolshoy Prud (Big Pond). The landscape is a rich tapestry of deciduous hardwoods like maple, linden, and birch turning brilliant shades of gold and ochre, contrasted by the deep green of spruce and other evergreens. Sergievka Park near Universitet, Old Peterhof, west from Saint Petersburg, Russia, October 13, 2025
 Granite and iron bridge in Sergievka Park. The bridge s corners are anchored by sturdy, rough-hewn granite bollards (posts) with rounded tops, which support a decorative black iron railing. The railing features a simple, geometric lattice pattern, typical of the functional yet aesthetic engineering found in the Peterhof estate parks. Old Peterhof, west from Saint Petersburg, Russia, October 13, 2025
 Pores of oak maze-gill mushrooms (Daedalea quercina) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, March 2, 2017
 A creek near Oranzhereyny Pond in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Canyon near Leykhtenbergsky Palace in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Fall colors near a pond in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Alley in lower area in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Fall colors of an alley in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 A creek in lower area in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Bridge near Leykhtenbergsky Palace in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 11, 2016
 Iron foot bridge in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 11, 2016
 Stone head with a spring in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Fall colors of oak trees in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Fall colors of Krystatelka River in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Krystatelka River near Leykhtenbergsky Palace in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 11, 2016
 Candlesnuff fungus (Xylaria hypoxylon) in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Orange leaves near Leykhtenbergsky Palace in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Krystatelka River near Leykhtenbergsky Palace in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 An alley near Universitet train stop in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Stone head made from a boulder in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 11, 2016
 Alley near Universitet train stop in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Stone bridge of Krystatelka River in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 11, 2016
 Alley near Universitet train stop in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 11, 2016
 Stone bridge of Krystatelka River in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Fallen ash leaves in lower area in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Leaves of ash in a creek in lower area in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Stone bench near Gulf of Finland in lower Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Birch alley near Universitet train stop in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 11, 2016
 Close up of candlesnuff fungus (Xylaria hypoxylon) in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Bridge of Krystatelka River near Leykhtenbergsky Palace in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 11, 2016
 Bolshoy or Kristatelevy Pond (Zelionka Lake) in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Bolshoy or Kristatelevy Pond (Zelionka Lake) in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 11, 2016
 Golden scalycap (Pholiota aurivella) in lower Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Dam of Bolshoy or Kristatelevy Pond (Zelionka Lake) in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Birch alley near Universitet train stop in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Red Raspberry slime mold (Tubifera ferruginosa) on a log in lower Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 5, 2017
 Bridge with boulders of Krystatelka River near Leykhtenbergsky Palace in Sergievka Park. Old Peterhof, west from Saint Petersburg, Russia, October 11, 2016
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