 Yellowstone River, view to the east from a lookout in Canyon Village. Yellowstone Park, Wyoming, July 24, 2010
 Canyon of Yellowstone River from Grand View Lookout Point in Canyon Village. Yellowstone Park, Wyoming, July 24, 2010
 Yellowstone River from Grand View Lookout Point in Canyon Village. Yellowstone Park, Wyoming, July 24, 2010
 Lower Falls of Yellowstone River from Grand View Lookout Point in Canyon Village. Yellowstone Park, Wyoming, July 24, 2010
 Lower Falls of Yellowstone River from a lookout in Canyon Village. Yellowstone Park, Wyoming, July 24, 2010
 Canyon of Yellowstone River from a lookout in Canyon Village. Yellowstone Park, Wyoming, July 24, 2010
 Dry trees near a lookout in Canyon Village. Yellowstone Park, Wyoming, July 24, 2010
 Valley of Yellowstone River, view from Grand Loop Road. Yellowstone Park, Wyoming, July 24, 2010
 Rock near Yellowstone Park, view from East Entrance Road. Wyoming, July 24, 2010
 Great Fountain Geyser, view from Firehole Lake Drive. Yellowstone Park, Wyoming, July 24, 2010
 Yellowstone Lake and hot springs, view from Steamboat Point. Wyoming, July 24, 2010
 Old Faithful Geyser. Yellowstone Park, Wyoming, July 24, 2010
 Firehole Falls. Yellowstone Park, Wyoming, July 24, 2010
 Forest at East entrance of Yellowstone Park. Wyoming, July 24, 2010
 Eruption of Great Fountain Geyser. Yellowstone Park, Wyoming, July 24, 2010
 Dragon s Mouth in mud volcano area in Yellowstone Park. Wyoming, July 24, 2010
 Buffalo crossing Grand Loop Road in Yellowstone Park. Wyoming, July 24, 2010
 Creek in area of Norris Geyser Basin(?). Yellowstone Park, Wyoming, July 24, 2010
 Chocolate pot in area of Norris Geyser Basin(?). Yellowstone Park, Wyoming, July 24, 2010
 Horse in a window of a trailer parked near Old Faithful Geyser. Yellowstone Park, Wyoming, July 24, 2010
 Cooked forest above Black Dragons Caldron (Mud volcano area) in Yellowstone Park. Wyoming, July 24, 2010
 Dead trees in are of calcium carbonate deposit in Norris Geyser Basin. Yellowstone Park, Wyoming, July 24, 2010
 Wind River from Hot Springs Park. Thermopolis, Wyoming, July 25, 2010
 View from Road 20/26 west from Casper. Wyoming, July 25, 2010
 Weathered wood on the top of a hill, view from Cottonwood Creek Dinosaur Trail, 25 miles south-west from Casper. Wyoming, July 27, 2010
 Weathered wood and Alcova Reservoir, view from Cottonwood Creek Dinosaur Trail, 25 miles south-west from Casper. Wyoming, July 27, 2010
 Rainbow Terraces in Hot Springs State Park. Thermopolis, Wyoming, July 23, 2010
 Mount Kuhe-Mish (1207 m) and River Rudhaneye-Baz in south-western Iran. Village of Zeinabad is to the left. View from a window of a plane from Doha, Qatar to Houston, TX, March 16, 2010.
 Parasitic plants in Beartrap Meadow County Park on Casper Mountain. Wyoming, July 21, 2010
 White geranium like flower in Rotary Park near Garden Creek Waterfall, south from Casper. Wyoming, July 20, 2010
 Sulphur Flower (Eriogonum umbellatum) in Beartrap Meadow County Park on Casper Mountain. Wyoming, July 21, 2010
 Yellow Gaillardia flower in Rotary Park near Garden Creek Waterfall, south from Casper. Wyoming, July 19, 2010
 Yellow coralroot (Corallorhiza trifida) in Beartrap Meadow County Park on Casper Mountain. Wyoming, July 21, 2010
 Yellow stonecrop (Sedum) in Rotary Park near Garden Creek Waterfall, south from Casper. Wyoming, July 19, 2010
 Sego Lily (Calochortus nuttallii) in Rotary Park near Garden Creek Waterfall, south from Casper. Wyoming, July 19, 2010
 Rock Buckwheat (Eriogonum sphaerocephalum) in Rotary Park near Garden Creek Waterfall, south from Casper. Wyoming, July 20, 2010
 Participants of Quantum Summer School conference visiting Beartrap Meadow County Park on Casper Mountain. Wyoming, July 21, 2010
 Pomham Rocks Light in Providence River, view from a lookout in an apartment complex. Providence, Rhode Island, October 14, 2004
 Quantum Summer School conference. Casper, Wyoming, July 26, 2010
 Landscape from Independence Rock west from Casper. Wyoming, July 22, 2010
 Nahal Mishmar canyon and the Dead Sea from the southern lookout. The Middle East, February 21, 2002
 A. Sokolov at Quantum Summer School conference. Casper, Wyoming, July 28, 2010
 D. Herschbach at Quantum Summer School conference. Casper, Wyoming, July 28, 2010
 L. Cohen at Quantum Summer School conference. Casper, Wyoming, July 28, 2010
 D. Watson at Quantum Summer School conference. Casper, Wyoming, July 28, 2010
 D. Watson at Quantum Summer School conference. Casper, Wyoming, July 26, 2010
 D. Mazziotti at Quantum Summer School conference. Casper, Wyoming, July 28, 2010
 M. Scully at Quantum Summer School conference. Casper, Wyoming, July 26, 2010
 Rainbow Terraces and the city from Monument Hill. Thermopolis, Wyoming, July 25, 2010
 Alcova Reservoir 25 miles south-west from Casper. Wyoming, July 29, 2010
 Teensleep Creek in Cloud Peak Wilderness at evening. Wyoming, July 30, 2010
 M. Scully at Quantum Summer School conference. Casper, Wyoming, July 26, 2010
 Valley of Teensleep Creek in Cloud Peak Wilderness. Wyoming, July 30, 2010
 D. Herchbach at Quantum Summer School conference. Casper, Wyoming, July 26, 2010
 Old farm machinery in Garden Creek Audubon Center. Casper, Wyoming, July 20, 2010
 Charles H. Townes at Quantum Summer School conference. Casper, Wyoming, July 21, 2010
 Upper part of Teensleep Creek in Cloud Peak Wilderness. Wyoming, July 30, 2010
 Blue Penstemon (Penstemon cyaneus) in Rotary Park near Garden Creek Waterfall, south from Casper. Wyoming, July 19, 2010
 Northern shore of Lost Twin Lakes in Cloud Peak Wilderness. Wyoming, July 30, 2010
 Spreading dogbane (Fly-trap dogbane; Apocynum androsaemifolium) in Rotary Park near Garden Creek Waterfall, south from Casper. Wyoming, July 19, 2010
 D. Herchbach during a lecture "Dimensional scaling" at Quantum Summer School conference. Casper, Wyoming, July 26, 2010
 Lecture of D. Herchbach "Dimensional scaling" at Quantum Summer School conference. Casper, Wyoming, July 26, 2010
 Sandstone at Cottonwood Creek Dinosaur Trail, 25 miles south-west from Casper. Wyoming, July 27, 2010
 Alcova Reservoir from Cottonwood Creek Dinosaur Trail, 25 miles south-west from Casper. Wyoming, July 27, 2010
 Village of Hangam, view along a ridge from Mount Keylagkuh in south-western Iran. View from a window of a plane from Doha, Qatar to Houston, TX, March 16, 2010.
 Rhododendron in a canyon, view from Rough Trail. Red River Gorge, Kentucky, November 6, 1999.
 Bottom of a canyon, view from Sheltowee Trail. Red River Gorge, Kentucky, November 6, 1999.
 View of a canyon from Pinch Em Tight Trail. Red River Gorge, Kentucky, November 7, 1999.
 Eroded granite rock formations. Independence Rock west from Casper, Wyoming, July 22, 2010
 View of canyon walls at evening from Sheltowee Trail near Chimney Top Rock. Red River Gorge, Kentucky, November 6, 1999.
 View from a jebel (stone hill) of old fishing village (ghost town) of Al Ghariyah on north-eastern coast, Ash Shamal area. Qatar, June 13, 2015
 Independence Rock west from Casper, with names and messages allegedly carved by emigrants to the West in 1843-1869. Wyoming, July 22, 2010
 View of canyon of Nahal Keziv river from trail 2223, 2 miles north-west from Mi ilia. Galilee, the Middle East, March 31, 2002
 Lookout over Slavyanka River in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, October 4, 2016
 Lookout over Slavyanka River in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, October 4, 2016
 Road in old fishing village (ghost town) of Al Ghariyah on north-eastern coast, Ash Shamal area. Qatar, July 3, 2015
 View from trail 2223 overlooking canyon of Nahal Keziv river, 2 miles north-west from Mi ilia. Galilee, the Middle East, March 31, 2002
 View of a giant dry waterfall at the end of the canyon from the southern side of the Bokek creek canyon. The Middle East, February 22, 2001
 Lookout on a terrace over Slavyanka River in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, October 4, 2016
 Stone ruins in old fishing village (ghost town) of Al Ghariyah on north-eastern coast, Ash Shamal area. Qatar, July 3, 2015
 Ruins of a school in old fishing village (ghost town) of Al Ghariyah on north-eastern coast, Ash Shamal area. Qatar, July 3, 2015
 View of a cave from trail 2223 overlooking canyon of Nahal Keziv river, 2 miles north-west from Mi ilia. Galilee, the Middle East, March 31, 2002
 Girl s section of a school in old fishing village (ghost town) of Al Ghariyah on north-eastern coast, Ash Shamal area. Qatar, July 3, 2015
 A dam in Russells Mills village, on Paskamansett/Slocums River, view from Rock O Dundee Road. Dartmouth, Massachusetts, May 14, 2004
 A dam in Russells Mills village, on Paskamansett River, view from Rock O Dundee Road. Dartmouth, Massachusetts, November 28, 2003
 A dam in Russells Mills village, on Paskamansett/Slocums River, view from Rock O Dundee Road. Dartmouth, Massachusetts, May 14, 2004
 View from lookout near south part of Orange (Vista) trail in Devils Hopyard State Park. East Haddam, Connecticut, May 22, 2004
 Stone house on northern side in old fishing village (ghost town) of Al Ghariyah on north-eastern coast, Ash Shamal area. Qatar, July 3, 2015
 Stone house near a beach road in old fishing village (ghost town) of Al Ghariyah on north-eastern coast, Ash Shamal area. Qatar, July 3, 2015
 A dam in Russells Mills village, on Paskamansett/Slocums River, view from Rock O Dundee Road. Dartmouth, Massachusetts, January 3, 2004
 A dam in Russells Mills village, on Paskamansett/Slocums River, view from Rock O Dundee Road. Dartmouth, Massachusetts, November 23, 2003
 A dam in Russells Mills village, on Paskamansett/Slocums River, view from Rock O Dundee Road. Dartmouth, Massachusetts, November 28, 2003
 A dam in Russells Mills village, on Paskamansett/Slocums River, view from Rock O Dundee Road. Dartmouth, Massachusetts, November 13, 2003
 A dam in Russells Mills village, on Paskamansett/Slocums River, view from Rock O Dundee Road. Dartmouth, Massachusetts, October 29, 2004
 A dam in Russells Mills village, on Paskamansett/Slocums River, view from Rock O Dundee Road. Dartmouth, Massachusetts, November 25, 2004
 A dam in Russells Mills village, on Paskamansett/Slocums River, view from Rock O Dundee Road. Dartmouth, Massachusetts, January 3, 2004
 A dam in Russells Mills village, on Paskamansett/Slocums River, view from Rock O Dundee Road. Dartmouth, Massachusetts, October 8, 2004
 Ruins of a stone house on northern side in old fishing village (ghost town) of Al Ghariyah on north-eastern coast, Ash Shamal area. Qatar, July 3, 2015
 Crumbling stone house on northern side in old fishing village (ghost town) of Al Ghariyah on north-eastern coast, Ash Shamal area. Qatar, July 3, 2015
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