 A pavilion and trees in bloom at West Potomac Park during warm weather. Washington DC, February 4, 1998.
 View of J.F.K. grave, Arlington Bridge and Washington Monument on the other bank of Potomac River from a hill at Arlington Cemetery. Washington DC, February 6, 1998.
 Apple-like tree in bloom in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 15, 2009
 White House with an armed man on its roof seen right to Washington Monument. Washington DC, February 5, 1998.
 Korean War Veterans Memorial with Washington Monument at background. Washington DC, February 4, 1998.
 View of Washington Monument from the Capitol. Washington DC, February 4, 1998.
 Almond trees in bloom in Neot Kedumim biblical landscape park, west from Jerusalem. The Middle East, February 7, 2001
 7th(?) Street in downtown Washington. DC, February 6, 1998.
 A hall in the Capitol. Washington DC, February 4, 1998.
 G(?) Street in downtown Washington. DC, February 6, 1998.
 Air and Space Museum. Washington DC, February 6, 1998.
 Golden scalycap mushrooms (Pholiota aurivella) on a bird cherry tree near Lisiy Nos, west from Saint Petersburg. Russia, September 16, 2016
 Ex. Offices near White House. Washington DC, February 5, 1998.
 Arlington Memorial Cemetery. Washington DC, February 6, 1998.
 Paintings on a dome of the Capitol. Washington DC, February 4, 1998.
 11th(?) Street in downtown Washington. DC, February 6, 1998.
 White Broom (Retama raetam) shrub in bloom near Besor river in Park Eshkol, 7 miles west from Ofakim. The Middle East, February 24, 2002
 Graves of soldiers(?) at Arlington Cemetery. Washington DC, February 6, 1998.
 View of U.S. Capitol from Reflecting Pool. Washington DC, February 6, 1998.
 A mysterious closed corridor in the U.S. Capitol. Washington DC, February 4, 1998.
 View of White House from the Ellipse. Washington DC, February 5, 1998.
 Blooming black cherry in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2022
 A monument to U.S. Navy on the road to Arlington Cemetery. Washington DC, February 6, 1998.
 Insects show at Museum of Natural History. Washington DC, February 5, 1998.
 Entrance to a bunker-like J. Edgar Hoover F.B.I. Building. Washington DC, February 6, 1998.
 A bronze sculpture in Vietnam War Veterans Memorial at rainy day. Washington DC, February 4, 1998.
 World War II propaganda posters at Museum of American History. Washington DC, February 4, 1998.
 Dried leaves of black cherry on Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 22, 2022
 Apple like tree in bloom in TAMU Holistic Garden in Texas A and M University. College Station, Texas, February 24, 2009
 Crickets on National Geographic magazines at Museum of Natural History. Washington DC, February 5, 1998.
 Dog Fala of Franklin D. Roosevelt at FDR Memorial near Tidal Basin at rainy day. Washington DC, February 4, 1998.
 A bronze Statue of the Three Servicemen in Vietnam War Veterans Memorial at rainy day. Washington DC, February 4, 1998.
 A memorial sculpture with a red banner reminiscent of a communist leader in the U.S. Capitol. Washington DC, February 4, 1998.
 Bull nettle (Cnidoscolus texanus) in bloom in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Linum berlandieri (stiff-stem Flax) in bloom in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 A portrait of Russian communist leader J. Stalin at Museum of American History. Washington DC, February 4, 1998.
 View of U. S. Capitol and Smithsonian Inst. from intersection of Madison Drive and 14th Street. Washington DC, February 5, 1998.
 Green milkweed (Asclepias viridis) in bloom on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 Common red corn poppy (Papaver rhoeas) in bloom on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Baby blue eyes (flannel breeches, Nemophila phacelioides) in bloom in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 25, 2018
 Green milkweed (Asclepias viridis) in bloom on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Milkcap mushrooms Lactarius subserifluus in deep shade under black cherry, old Maclura and oaks near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 6, 2019
 Blooming cherry like tree in McKinney Falls State Park. Austin, Texas, March 7, 2009
 Resupinate polypore mushroom of Fomitiporia punctata complex on a dry branch of black cherry in shade of bushes in prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 Pores of resupinate mushroom of Fomitiporia punctata complex on a dry branch of black cherry in shade of bushes in prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 Weather station with Nexgen anemometer and wind vane on desert plane in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
 Texture of resupinate polypore mushroom of Fomitiporia punctata complex on a dry branch of black cherry in shade of bushes in prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 Golden shower tree (Cassia fistula) in bloom in Aspire Park. Doha, Qatar, May 2, 2015
 Golden shower tree (Cassia fistula) in bloom in Aspire Park. Doha, Qatar, May 17, 2016
 Resupinate polypore mushroom of Fomitiporia punctata complex on smooth bark of a dry branch of black cherry in shade of bushes in prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 24, 2020
 Beginning of bloom of pointed phlox (Phlox cuspidata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 11, 2018
 Red buckeye (Southern buckeye, Aesculus pavia) in bloom in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Veterans Memorial Bridge, also known as Gramercy Bridge, over Mississippi River. Fog is the result of cooling of warm and humid air. Wallace, west from New Orleans, Louisiana, January 7, 2007
 Grand View Cemetery. West Lafayette, Indiana, February 8, 1998.
 A bronze likeness of the current American president Bill Clinton at Museum of American History. Washington DC, February 4, 1998.
 Purdue Memorial Union (student services). West Lafayette, Indiana, February 27, 1998.
 Purdue University Mall and Bell Tower. West Lafayette, Indiana, February 27, 1998.
 Stones in still weather in Gulf of Finland south from Solnechnoe, west from Saint Petersburg. Russia, September 5, 2013
 Flower of an apple-like tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 15, 2009
 Fruticous lichens on a small tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Fringe lichen Heterodermia on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Stone pier in still weather in Gulf of Finland south from Solnechnoe, west from Saint Petersburg. Russia, September 5, 2013
 Northern area of West Bay from a beach south of InterContinental Hotel at windy weather. Doha, Qatar, March 10, 2011
 Winter rosette of a thistle under a juniper tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Saucer lichen Ochrolechia pallescens on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Blooming redbud tree (Cercis canadensis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Medallion lichen Dirinaria confusa on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Medallion lichen Dirinaria confusa on an old tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Greenish resupinate polypore mushroom on a dry willow like tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 7, 2024
 Sunken bloodspot lichen (Haematomma persoonii) on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Phaeophyscia lichen on a large huisache (acacia) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Trees in bloom in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, May 22, 2015
 Close-up of greenish resupinate polypore mushroom on a dry willow like tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 7, 2024
 Flowers and young leaves of redbud tree (Cercis canadensis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Close up of Phaeophyscia lichen on a large huisache (acacia) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 2, 2019
 Snow-cup mushroom (Peziza nivalis) on mulch immediately after melting snow after a week of snowy and icy weather in Butterfly Garden at Andy Anderson Arboretum in Bee Creek Park. College Station, Texas, February 19, 2021
 Sand ripples after windy weather near Sealine Beach Resort near Mesaieed, view to north-west. Southern Qatar, July 10, 2015
 Bird cherry (Russian name Cheriomukha) in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019
 Old City, with a tree in bloom. Beer-Sheva, the Middle East, April 20, 2000
 White flowers on a cherry like tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 29, 2009
 Calabur tree (Jamaica cherry, Muntingia calabura) on Al Husain Street in Lejbailat area. Doha, Qatar, April 1, 2015
 Large white flowers on cherry like tree in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 29, 2009
 View of trees cut by beavers and industrial buildings on the opposite side of Wabash River from Heritage Trail to Fort Ouiatenon. Near West Lafayette, Indiana, February 8, 1998.
 Pablo Serra and Huan Pablo Neirotti at a dinner in a restaurant near Purdue University. West Lafayette, Indiana, February 26, 1998.
 Fruits of Calabur tree (Jamaica cherry, Muntingia calabura) taken from Al Husain Street in Lejbailat area. Doha, Qatar, April 1, 2015
 Flower on calabur tree (Singapore cherry, Muntingia calabura) on Al Husain Street in Lejbailat area. Doha, Qatar, April 1, 2015
 Bee on a flower of calabur tree (Singapore cherry, Muntingia calabura) on Al Husain Street in Lejbailat area. Doha, Qatar, April 1, 2015
 Pablo Serra, Huan Pablo Neirotti and Alexei Sergeev at a dinner in a restaurant on State Street. West Lafayette, Indiana, February 26, 1998.
 Close-up of cherry-spruce rust fungus (Pucciniastrum areolatum) in a spruce cone in Tarkhovka Park, west from Saint Petersburg. Russia, May 10, 2021
 Cherry-spruce rust fungus (Pucciniastrum areolatum) on spruce cone scales in Tarkhovka Park, west from Saint Petersburg. Russia, May 10, 2021
 Cherry-spruce rust fungus (Pucciniastrum areolatum) inside spruce cones in Tarkhovka Park, west from Saint Petersburg. Russia, May 10, 2021
 A group of runners in Boston Marathon, at Cleveland Circle, in warm day. Massachusetts, April 19, 2004
 A drunkard resting near Fontanka River at warm evening. Saint Petersburg, Russia, July 18, 2005
 Blooming cherry like tree in TAMU Horticultural Gardens in Texas A&M University. College Station, Texas, March 5, 2009
 Mass of rank and file runners in Boston Marathon, at Cleveland Circle, in warm day. Massachusetts, April 19, 2004
 Approaching mass of rank and file runners in Boston Marathon, at Cleveland Circle, in warm day. Massachusetts, April 19, 2004
 Eucalyptus (?) in bloom at Bialik Street. Beer-Sheva, the Middle East, February 16, 2001
 Some white tinder mushroom on a bird cherry near Lisiy Nos, west from Saint Petersburg. Russia, July 27, 2017
 Some tinder clumpy mushroom on a bird cherry near Lisiy Nos, west from Saint Petersburg. Russia, July 27, 2017
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