 Purgatory Chasm State Reservation. A bronze plaque on a stone marks the chasm entrance. Sutton, Massachusetts, October 30, 2004
 Purgatory Chasm State Reservation, chasm loop trail. Sutton, Massachusetts, October 30, 2004
 Purgatory Chasm State Reservation, upper section of chasm loop trail. Sutton, Massachusetts, October 30, 2004
 Purgatory Chasm State Reservation, slopes of the chasm. Sutton, Massachusetts, October 30, 2004
 Purgatory Chasm State Reservation near the chasm entrance. Sutton, Massachusetts, October 30, 2004
 Hemenway Hill Path with fall foliage of American Beech trees in Blue Hills Reservation. Boston, Massachusetts, November 6, 2004
 American Beech tree with golden fall foliage on Plummer s Trail in Blackstone River and Canal Heritage State Park. Uxbridge, Massachusetts, October 30, 2004
 Golden-bronze fall foliage of American Beech tree near Goat Hill Trail in Blackstone River and Canal Heritage State Park. Uxbridge, Massachusetts, October 30, 2004
 Fall foliage of American Beech in a ditch along Plummer s Trail in Blackstone River and Canal Heritage State Park. Uxbridge, Massachusetts, October 30, 2004
 Golden-bronze colors of American Beech in a ditch along Plummer s Trail in Blackstone River and Canal Heritage State Park. Uxbridge, Massachusetts, October 30, 2004
 Blackstone Canal behind American Beech trees, view from Plummer s Trail in Blackstone River and Canal Heritage State Park. Uxbridge, Massachusetts, October 30, 2004
 A chipmunk on a trail near Trailside Museum in Blue Hills Reservation. Boston, Massachusetts, November 6, 2004
 Houghtons Pond, view from an observatory on the top of Great Blue Hill in Blue Hills Reservation. Boston, Massachusetts, November 6, 2004
 Marks of Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 13, 2012
 An owl in Trailside Museum in Blue Hills Reservation. Boston, Massachusetts, November 6, 2004
 American toad on sand of Whitetail Loop trail in Freetown/Fall River State Forest. Massachusetts, May 30, 2003
 An otter in Trailside Museum in Blue Hills Reservation. Boston, Massachusetts, November 6, 2004
 Sassafras leaf on Morse Loop Trail in Borderland State Park. North Easton, Massachusetts, October 16, 2004
 Witch s Butter mushroom near Morse Loop Trail in Borderland State Park. North Easton, Massachusetts, October 16, 2004
 A slope of Houghton Hill, view from Houghtons Pond in Blue Hills Reservation. Boston, Massachusetts, November 6, 2004
 Canadian mayflowers carpeting a forest near south side of Ponkapoag Pond in Blue Hills Reservation. Boston, Massachusetts, May 15, 2004
 Jack-in-the-Pulpit, Indian turnip, flower near south side of Ponkapoag Pond in Blue Hills Reservation. Boston, Massachusetts, May 15, 2004
 Dry tree foliage on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 16, 2011
 Gooseberry Point at evening (Horseneck Beach State Reservation). Westport, Massachusetts, October 24, 2003
 Tent caterpillars at CCC Loop trail in Freetown - Fall River State Forest. Massachusetts, May 9, 2004
 Small mushrooms on a tree stump in Massasoit State Park. East Taunton, Massachusetts, October 13, 2004
 Atlantic Ocean from Gooseberry Point at evening (Horseneck Beach State Reservation). Westport, Massachusetts, October 24, 2003
 A maple leaf on a log near Morse Loop Trail in Borderland State Park. North Easton, October 16, 2004
 Amanita muscaria mushroom under a pine tree on west side of Cliff Pond in Nickerson State Park in Cape Cod. Brewster, Massachusetts, October 23, 2004
 A beech tree in a garden of Chateau Sur Mer on Bellevue Avenue. Newport, Rhode Island, May 6, 2004
 A copper beech tree near south end of Bellevue Avenue in Newport. Rhode Island, May 16, 2004
 Moss and stones of Muddy Brook near Red Trail in Devils Hopyard State Park. East Haddam, Connecticut, June 6, 2004
 Moss and stones of Muddy Brook near Red Trail in Devils Hopyard State Park. East Haddam, Connecticut, June 6, 2004
 A marsh of Halfmoon Flat of Horseneck Channel, view from John Reed Road (Horseneck Beach State Reservation). Westport, Massachusetts, October 24, 2003
 A trunk of a beech tree at Highfield Drive in Falmouth, Cape Cod, Massachusetts, March 29, 2003.
 A beech tree at Highland Avenue, near the hospital. Fall River, Massachusetts, January 18, 2003.
 A trunk of a big beech tree at Highfield Drive in Falmouth, Cape Cod, Massachusetts, March 29, 2003.
 Dried tree stump at Abbott Loop Trail, near Michigan Creek. Danby, New York, October 16, 2005
 Trunks of birch trees near Beech Loop in F. R. Newman Arboretum. Ithaca, New York, October 11, 2005
 A beech tree at Highland Avenue, near Archer Street. Fall River, Massachusetts, January 18, 2003.
 Massasoit Trail in Freetown/Fall River State Forest. Massachusetts, October 24, 2004
 Donahue Trail in Freetown/Fall River State Forest. Massachusetts, October 24, 2004
 A trunk of copper beech tree and Marble House Mansion on Bellevue Avenue. Newport, Rhode Island, May 6, 2004
 Ferns near Massasoit Trail in Freetown/Fall River State Forest. Massachusetts, October 24, 2004
 Amanita bisporigera(?) (American Death Angel) mushrooms near Lake Rico in Massasoit State Park. East Taunton, Massachusetts, September 19, 2004
 Pine seedling on a tree stump on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 13, 2012
 Edward King House and a beech tree in Aquidneck Park near Bowery Street. Newport, Rhode Island, January 1, 2004
 Plummer s Trail in fog in Blackstone River and Canal Heritage State Park. Uxbridge, Massachusetts, October 30, 2004
 A cranberry worker wearing a cap "Proud to be an American" near Frogfoot Bog during cranberry festival of A. D. Makepeace Company, near Tihonet Village. Wareham, Massachusetts, October 9, 2004
 Highland (Cape Cod) Lighthouse. A stone marks previous location of the lighthouse before it was moved. North Truro, Massachusetts, March 20, 2004
 Gooseberry Neck at evening (Horseneck Beach Reservation). Westport, Massachusetts, December 15, 2004
 SNET Trail in fog near Millville Lock in Blackstone River and Canal Heritage State Park. Uxbridge, Massachusetts, October 30, 2004
 SNET Trail in fog near Millville Lock in Blackstone River and Canal Heritage State Park. Uxbridge, Massachusetts, October 30, 2004
 Atlantic Ocean from Gooseberry Neck (Horseneck Beach reservation). Westport, Massachusetts, February 7, 2004.
 Spotted wintergreen near Goat Hill Trail in Blackstone River and Canal Heritage State Park. Uxbridge, Massachusetts, October 17, 2004
 Lichen and boulders near Goat Hill Trail in Blackstone River and Canal Heritage State Park. Uxbridge, Massachusetts, October 30, 2004
 A toadstool and club mosses among fall leaves near Friends Trail in Borderland State Park. North Easton, Massachusetts, October 16, 2004
 A toadstool among fall leaves and pine needles near Friends Trail in Borderland State Park. North Easton, Massachusetts, October 16, 2004
 A bush of witch hazel(?) near Goat Hill Trail in Blackstone River and Canal Heritage State Park. Uxbridge, Massachusetts, October 30, 2004
 Blooming American holly(?) tree in Big Thicket park, on Kirby Trail. Texas, April 25, 2009
 Fall colors of Donahue Trail in Freetown/Fall River State Forest. Massachusetts, October 24, 2004
 Stump of dried cedar tree near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 8, 2012
 Stones embedded into a base of a cypress tree in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
 A cemetery in Fisherville Brook Wildlife Refuge, Blue trail. Exeter, Rhode Island, October 31, 2004
 Goodyera pubescens plant, basal leaves, near Goat Hill Trail in Blackstone River and Canal Heritage State Park. Uxbridge, Massachusetts, October 17, 2004
 Canal Towpath (Plummer s Trail) in Blackstone River and Canal Heritage State Park. Uxbridge, Massachusetts, October 30, 2004
 Remains of leaves of pink lady slipper flowers near Goat Hill Trail in Blackstone River and Canal Heritage State Park. Uxbridge, Massachusetts, October 17, 2004
 American beautyberry (Callicarpa americana) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, August 10, 2008
 Icy stones and Horseneck Beach from Gooseberry Point. Westport, Massachusetts, January 17, 2004
 Stones on tidal flats at the end of River Road in Acoaxet. Wesport, Massachusetts, May 2, 2004
 Whitetail Loop trail in Freetown/Fall River State Forest. Massachusetts, May 30, 2003
 Whitetail Loop trail in Freetown/Fall River State Forest. Massachusetts, May 30, 2003
 Dusk at East Beach Road (Horseneck Beach Reservation). Westport, Massachusetts, December 15, 2004
 Fruits of american beautyberry (Callicarpa americana) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, August 10, 2008
 Icy stones of Gooseberry Point (Horseneck Beach Park). Westport, Massachusetts, January 17, 2004
 Fiddleheads at Whitetail Loop trail in Freetown/Fall River State Forest. Massachusetts, May 19, 2003
 Fiddleheads on Whitetail Loop trail in Freetown/Fall River State Forest. Massachusetts, May 19, 2003
 A pond near Morse Loop Trail on northern border of Borderland State Park. Massachusetts, July 31, 2003
 A pond near Morse Loop Trail on northern border of Borderland State Park. Massachusetts, July 31, 2003
 Field of stones in a forest at Tattapanum Trail one mile north-east from Fall River. Massachusetts, March 16, 2003.
 Tattapanum Trail in northern Fall River. Massachusetts, October 15, 2004
 Fog on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 16, 2011
 Heavy dew near loop trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 24, 2009
 Dry forest on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 8, 2011
 Foliage on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 8, 2011
 Dry trees on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 8, 2011
 Sunrise on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 16, 2011
 Fir forest near Tattapanum Trail in northern Fall River. Massachusetts, October 15, 2004
 Blueberry in pine forest, view from Whitetail Loop trail in Freetown/Fall River State Forest. Massachusetts, May 19, 2003
 Foggy sunrise on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 16, 2011
 Dead cedar on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 16, 2011
 Red Maple Swamp Trail near Fort Hill in Cape Cod. Eastham, Massachusetts, October 23, 2004
 Blue violet on Little Lake Creek Loop Trail in Sam Houston National Forest. Richardson, Texas, February 22, 2009
 Stones and trees in Lost Maples State Natural Area, on East Trail. Vanderpool, Texas, November 7, 2008
 Weathered stones on a slope of Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
 Northwest(?) trail in Borderland State Park. Massachusetts, January 21, 2004
 New Long Pond in Myles Standish State Forest. Massachusetts, October 3, 2004
 Close up of blue violet on Little Lake Creek Loop Trail in Sam Houston National Forest. Richardson, Texas, February 22, 2009
 Abandoned stone wall and a fir forest near Tattapanum Trail in northern Fall River. Massachusetts, October 15, 2004
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