 Narva River from walls of Ivan Gorod Fortress. Leningrad Region, Russia, February 9, 2013
 View of Narva River from walls of Ivan Gorod Fortress. Leningrad Region, Russia, February 9, 2013
 Walls of Ivan Gorod Fortress. Leningrad Region, Russia, February 9, 2013
 Walls of Ivan Gorod Fortress. Leningrad Region, Russia, February 9, 2013
 Churches inside Ivan Gorod Fortress, view from walls. Leningrad Region, Russia, February 9, 2013
 Round tower of Ivan Gorod Fortress, view from walls. Leningrad Region, Russia, February 9, 2013
 Ruins inside Ivan Gorod Fortress, view from walls. Leningrad Region, Russia, February 9, 2013
 Ivan Gorod Fortress. Leningrad Region, Russia, February 9, 2013
 Tower of Ivan Gorod Fortress. Leningrad Region, Russia, February 9, 2013
 Churches inside Ivan Gorod Fortress. Leningrad Region, Russia, February 9, 2013
 Some ruins inside Ivan Gorod Fortress. Leningrad Region, Russia, February 9, 2013
 Ruins inside Ivan Gorod Fortress. Leningrad Region, Russia, February 9, 2013
 Orthodox Church in Ivan Gorod Fortress. Leningrad Region, Russia, February 9, 2013
 Orthodox cathedrals inside Ivan Gorod Fortress. Leningrad Region, Russia, February 9, 2013
 Orthodox Church inside Ivan Gorod Fortress. Leningrad Region, Russia, February 9, 2013
 Nabatnaya Tower of Ivan-Gorod Fortress. Leningrad Region, Russia, July 17, 2005
 Long Hermann tower in Medieval Hermann s castle in Narva Fortress, view from a wall of Ivangorod Fortress. Leningrad Region, Russia, July 17, 2005
 Walls of Koporye Fortress. Leningrad Region, Russia, February 9, 2013
 Walls of Koporye Fortress in snow. Leningrad Region, Russia, February 9, 2013
 Brick walls of Koporye Fortress. Leningrad Region, Russia, February 9, 2013
 Town Hall tower in Narva (now on Estonian territory) as seen from a wall of Ivangorod Fortress. Leningrad Region, Russia, July 17, 2005
 Towers and walls of Koporye Fortress. Leningrad Region, Russia, July 17, 2005
 Koporye Fortress in snow. Leningrad Region, Russia, February 9, 2013
 Tower of Koporye Fortress. Leningrad Region, Russia, February 9, 2013
 Brown cat in Koporye Fortress. Leningrad Region, Russia, February 9, 2013
 A church in Koporye Fortress. Leningrad Region, Russia, February 9, 2013
 Narrow window of Koporye Fortress. Leningrad Region, Russia, February 9, 2013
 Tree bark in Koporye Fortress. Leningrad Region, Russia, February 9, 2013
 Ruins of a corner tower of Koporye Fortress. Leningrad Region, Russia, February 9, 2013
 Gate of Koporye Fortress. Leningrad Region, Russia, July 17, 2005
 Nikola Church of Ivangorod Fortress. Leningrad Region, Russia, July 17, 2005
 Novaya (New) Tower of Ivangorod Fortress. Leningrad Region, Russia, July 17, 2005
 Mysterious passage under a wall of Ivangorod Fortress. Leningrad Region, Russia, July 17, 2005
 Ruins of barracks and churches of Ivangorod Fortress. Leningrad Region, Russia, July 17, 2005
 Doorway of Uspenskaya Church of Ivangorod Fortress. Leningrad Region, Russia, July 17, 2005
 Churches of Ivangorod Fortress, view from a wall near Vorotnaya (Gate) Tower. Leningrad Region, Russia, July 17, 2005
 Old Ladoga Fortress in Staraya Ladoga. Leningrad Region, Russia, July 18, 2004
 Towers of Old Ladoga Fortress in Staraya Ladoga. Leningrad Region, Russia, July 23, 2005
 Ruins of Old Ladoga Fortress in Staraya Ladoga. Leningrad Region, Russia, July 23, 2005
 Uspensky Cathedral in Old Ladoga Fortress in Staraya Ladoga. Leningrad Region, Russia, July 18, 2004
 Saint George s Cathedral in Old Ladoga Fortress in Staraya Ladoga. Leningrad Region, Russia, July 18, 2004
 Dmitry Solunsky church in Old Ladoga Fortress in Staraya Ladoga. Leningrad Region, Russia, July 18, 2004
 Chapel in Porkhov Fortress in Porkhov, Pskov Region. Russia, September 8, 2013
 Inner garden in Porkhov Fortress in Porkhov, Pskov Region. Russia, September 8, 2013
 Church garden in Porkhov Fortress in Porkhov, Pskov Region. Russia, September 8, 2013
 Nikolskaya Church in Porkhov Fortress in Porkhov, Pskov Region. Russia, September 8, 2013
 Middle Tower of Porkhov Fortress in Porkhov, Pskov Region. Russia, September 8, 2013
 Details of a church garden in Porkhov Fortress in Porkhov, Pskov Region. Russia, September 8, 2013
 Interior of Nikolskaya Church in Porkhov Fortress in Porkhov, Pskov Region. Russia, September 8, 2013
 Yard of Peter and Paul Fortress. Saint Petersburg, Russia, February 13, 2013
 Tourists crowding at the gate, under the fortress walls of Pskov-Pechory Monastery. Pechory, Russia, August 8, 2004
 Winter swimming from a bastion of Peter and Paul Fortress. Saint Petersburg, Russia, February 13, 2013
 World War II memorial in Shlisselburg Fortress. Orekhovy Island, Leningradskaya Region, Russia, July 27, 2012
 Passages of King s(?) Tower in Shlisselburg Fortress. Orekhovy Island, Leningradskaya Region, Russia, July 27, 2012
 New (Narodnaya Volia) Prison in Shlisselburg Fortress. Orekhovy Island, Leningradskaya Region, Russia, July 27, 2012
 Cell of New (Narodnaya Volia) Prison in Shlisselburg Fortress. Orekhovy Island, Leningradskaya Region, Russia, July 27, 2012
 Golovin Tower of Shlisselburg Fortress, view from a boat. Orekhovy Island, Leningradskaya Region, Russia, July 27, 2012
 Underground chamber of King s(?) Tower in Shlisselburg Fortress. Orekhovy Island, Leningradskaya Region, Russia, July 27, 2012
 Cathedral of the Nativity of St. John the Baptist in Shlisselburg Fortress. Orekhovy Island, Leningradskaya Region, Russia, July 27, 2012
 Ruins of Fourth Wing of the prison in Shlisselburg Fortress. Orekhovy Island, Leningradskaya Region, Russia, July 27, 2012
 World War II memorial inside Cathedral ruins in Shlisselburg Fortress. Orekhovy Island, Leningradskaya Region, Russia, July 27, 2012
 Peter the Great sculpture in Peter and Paul Fortress. Saint Petersburg, Russia, February 13, 2013
 Ruins of a fortress (?) and walls of Bet Atab village, 4 miles east from Beit Shemesh. The Middle East, July 5, 2001
 Walls remaining from Bienkovsky Mansion in Zakhodskoe, 50 miles north from Saint Petersburg. Leningrad Region, Russia, August 7, 2016
 Fog in Khiuttelevo Village. Leningrad Region, Russia, February 9, 2013
 Trees in Kingisepp. Leningrad Region, Russia, February 9, 2013
 Gatchina Palace at morning. Leningrad Region, Russia, February 12, 2013
 Orthodox Church in Kingisepp. Leningrad Region, Russia, February 9, 2013
 Ruins of a manor house in Gostilitsy, Leningrad Region. Russia, February 9, 2013
 Peter and Paul Fortress behind Neva River. Saint Petersburg, Russia, February 1, 2000
 In Byzantine fortress. Avdat, the Middle East, February 15, 2001
 Byzantine fortress. Avdat, the Middle East, February 15, 2001
 Nimrod Fortress (?) on Golan Heights. The Middle East. February 19, 2000
 Resurrection Cathedral (1887) in Luga. Leningrad Region, Russia, August 24, 2013
 Various mosses in Duplianskoe Marsh south from Sluditsy, Leningrad Region, Russia, August 23, 2013
 Mosses in Duplianskoe Marsh south from Sluditsy, Leningrad Region, Russia, August 23, 2013
 Powder bunker of Vyborg Fortress. Russia, July 20, 2024
 Moss and sundew in Duplianskoe Marsh south from Sluditsy, Leningrad Region, Russia, August 23, 2013
 Orange moss in Duplianskoe Marsh south from Sluditsy, Leningrad Region, Russia, August 23, 2013
 Bud of a small plant in Duplianskoe Marsh south from Sluditsy, Leningrad Region, Russia, August 23, 2013
 Cranberry and sundew in Duplianskoe Marsh south from Sluditsy, Leningrad Region, Russia, August 23, 2013
 Yellow moss in Duplianskoe Marsh south from Sluditsy, Leningrad Region, Russia, August 23, 2013
 The tower of Lukovka of the ancient fortress Izborsk. Russia, August 8, 2004
 The tower of Temnushka(?) of the ancient fortress Izborsk. Russia, August 8, 2004
 Gate of a powder bunker of Vyborg Fortress. Russia, July 20, 2024
 Peter and Paul Fortress. Saint Petersburg, Russia, August 16, 2016
 Sundew growing in moss in Duplianskoe Marsh south from Sluditsy, Leningrad Region, Russia, August 23, 2013
 Various green and yellow mosses in Duplianskoe Marsh south from Sluditsy, Leningrad Region, Russia, August 23, 2013
 Close up of orange moss in Duplianskoe Marsh south from Sluditsy, Leningrad Region, Russia, August 23, 2013
 Yellow moss with seeds in Duplianskoe Marsh south from Sluditsy, Leningrad Region, Russia, August 23, 2013
 Close up of brown moss in Duplianskoe Marsh south from Sluditsy, Leningrad Region, Russia, August 23, 2013
 View of Cheremenetskoe Lake from Golubkovo Village, south from Luga. Leningrad Region, Russia, August 24, 2013
 Red moss with sundew seedlings in Duplianskoe Marsh south from Sluditsy, Leningrad Region, Russia, August 23, 2013
 Monument of heroes partisans at a road stop north from Luga, Leningrad Region. Russia, September 8, 2013
 Cemetery of John-Bogoslov Cheremenetskiy Monastery, south from Luga. Leningrad Region, Russia, August 24, 2013
 Entrance of John-Bogoslov Cheremenetskiy Monastery, south from Luga. Leningrad Region, Russia, August 24, 2013
 Sacred Slavensky Springs near the ancient fortress Izborsk. Russia, August 8, 2004
 Blooming bird cherry on a wall of Yamburg Fortress in Kingisepp. Russia, May 5, 2019
 Cat sitting on ruins in John-Bogoslov Cheremenetskiy Monastery, south from Luga. Leningrad Region, Russia, August 24, 2013
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