![](../../pictures/archives/compress/1999/107/jpeg/22t.jpg) Gray s Arch with rhododendron on foreground. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/107/jpeg/20t.jpg) Forest below Gray s Arch. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/107/jpeg/000t.jpg) Rough Trail to Gray s Arch. Red River Gorge, Kentucky, November 5, 1999.
![](../../pictures/archives/compress/1999/107/jpeg/07t.jpg) Forest near Gray s Arch at morning. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/107/jpeg/00t.jpg) Rough Trail to Gray s Arch. Red River Gorge, Kentucky, November 5, 1999.
![](../../pictures/archives/compress/1999/107/jpeg/04t.jpg) Forest near Gray s Arch at morning. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/107/jpeg/06t.jpg) Forest near Gray s Arch at morning. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/107/jpeg/15t.jpg) Erosion of limestone near Gray s Arch. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/107/jpeg/08t.jpg) Forest near Gray s Arch at morning. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/107/jpeg/09t.jpg) View from the top of Gray s Arch at morning. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/107/jpeg/10t.jpg) View from the top of Gray s Arch at morning. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/107/jpeg/18t.jpg) Gray s Arch, view from rock shelters. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/107/jpeg/11t.jpg) View of rock shelters from the top of Gray s Arch. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/107/jpeg/17t.jpg) Gray s Arch, view from rock shelters. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/108/jpeg/08t.jpg) Rhododendron in a canyon, view from Rough Trail. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/107/jpeg/12t.jpg) Blueberry and rhododendron bushes on Rough Trail. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/109/jpeg/16t.jpg) A.S. on Buck Trail. Red River Gorge, Kentucky, November 7, 1999.
![](../../pictures/archives/compress/1999/108/jpeg/17t.jpg) Sheltowee Trail. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/108/jpeg/13t.jpg) A.S. on Rough Trail. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/109/jpeg/12t.jpg) Buck Trail. Red River Gorge, Kentucky, November 7, 1999.
![](../../pictures/archives/compress/1999/109/jpeg/15t.jpg) Forest near Buck Trail. Red River Gorge, Kentucky, November 7, 1999.
![](../../pictures/archives/compress/1999/107/jpeg/23t.jpg) View from Rough Trail. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/108/jpeg/24t.jpg) Sheltowee Trail near Chimney Top Rock. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/109/jpeg/18t.jpg) Oak forest near Pinch Em Tight Trail. Red River Gorge, Kentucky, November 7, 1999.
![](../../pictures/archives/compress/1999/109/jpeg/14t.jpg) Mushrooms in moss at Buck Trail. Red River Gorge, Kentucky, November 7, 1999.
![](../../pictures/archives/compress/1999/107/jpeg/16t.jpg) A tree with very big leaves on Rough Trail. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/109/jpeg/13t.jpg) Flowers on a stone at Buck Trail. Red River Gorge, Kentucky, November 7, 1999.
![](../../pictures/archives/compress/1999/109/jpeg/17t.jpg) View from Pinch Em Tight Trail. Red River Gorge, Kentucky, November 7, 1999.
![](../../pictures/archives/compress/1999/109/jpeg/19t.jpg) View from Pinch Em Tight Trail. Red River Gorge, Kentucky, November 7, 1999.
![](../../pictures/archives/compress/1999/109/jpeg/20t.jpg) View from Pinch Em Tight Trail. Red River Gorge, Kentucky, November 7, 1999.
![](../../pictures/archives/compress/1999/109/jpeg/21t.jpg) View from Pinch Em Tight Trail. Red River Gorge, Kentucky, November 7, 1999.
![](../../pictures/archives/compress/1999/108/jpeg/10t.jpg) A small maple on Rough Trail. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/108/jpeg/12t.jpg) Pine forest on Rough Trail. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/109/jpeg/22t.jpg) View of a canyon from Pinch Em Tight Trail. Red River Gorge, Kentucky, November 7, 1999.
![](../../pictures/archives/compress/1999/108/jpeg/07t.jpg) Multicolor maple leaves on Rough Trail. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/108/jpeg/02t.jpg) Erosion of a limestone rock at Rough Trail. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/108/jpeg/18t.jpg) Bottom of a canyon, view from Sheltowee Trail. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/108/jpeg/04t.jpg) Unknown dwarf berries on Rough Trail. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/109/jpeg/03t.jpg) Bamboo brushes on the bottom of a canyon near Sheltowee Trail. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/108/jpeg/23t.jpg) A fungus (?) on a birch, Sheltowee Trail near Chimney Top Rock. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/109/jpeg/07t.jpg) Limestone erosion forms at Koomer Ridge Trail. Red River Gorge, Kentucky, November 7, 1999.
![](../../pictures/archives/compress/1999/108/jpeg/01t.jpg) Erosion forms of limestone in a rock shelter at Rough Trail. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/109/jpeg/08t.jpg) Mushroom-like limestone erosion forms at Koomer Ridge Trail. Red River Gorge, Kentucky, November 7, 1999.
![](../../pictures/archives/compress/1999/109/jpeg/09t.jpg) Creeping fern among dry leaves and needles on Koomer Ridge Trail. Red River Gorge, Kentucky, November 7, 1999.
![](../../pictures/archives/compress/1999/108/jpeg/21t.jpg) Limestone rocks, view from Sheltowee Trail near Chimney Top Rock. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/107/jpeg/24t.jpg) Erosion forms of limestone on a rock shelter at Rough Trail. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/108/jpeg/03t.jpg) Tree roots and erosion forms on a limestone rock at Rough Trail. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/109/jpeg/00t.jpg) View of canyon walls at evening from Sheltowee Trail near Chimney Top Rock. Red River Gorge, Kentucky, November 6, 1999.
![](../../pictures/archives/compress/1999/106/jpeg/23t.jpg) Tobacco farm near Slade, Kentucky, November 5, 1999.
![](../../pictures/archives/compress/2008/685/jpeg/24t.jpg) Maples near East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
![](../../pictures/archives/compress/2008/685/jpeg/11t.jpg) Sabinal River in Lost Maples State Natural Area, near parking. Vanderpool, Texas, November 7, 2008
![](../../pictures/archives/compress/2009/808/jpeg/07t.jpg) Steel arch bridge across Brazos River, view from Waco Suspension Bridge. Waco, Texas, November 22, 2009
![](../../pictures/archives/compress/2019/2515/jpeg/06t.jpg) Modern painting Triumphal Arch (1999) by Valeriy Lukka in Erarta Museum of Contemporary Art. Saint Petersburg, Russia, May 29, 2019
![](../../pictures/archives/compress/1999/110/jpeg/03t.jpg) View of Wabash River from a trail to Fort Ouiatenon. Indiana, November 13, 1999
![](../../pictures/archives/compress/1999/90/jpeg/13t.jpg) Potholes Park, Fall Creek Gorge. The trip was organized by Purdue University International Center. Near Pine Village, Indiana, June 5, 1999.
![](../../pictures/archives/compress/2007/610/jpeg/19t.jpg) Sabinal River from East Trail in Lost Maples State Natural Area. Vanderpool, Texas, December 30, 2007
![](../../pictures/archives/compress/1999/90/jpeg/14t.jpg) Inspecting a creek in Potholes Park (Fall Creek Gorge) by international students of Purdue University. Near Pine Village, Indiana, June 5, 1999.
![](../../pictures/archives/compress/1999/90/jpeg/16t.jpg) Overcoming a tub in a creek in Potholes Park (Fall Creek Gorge) by an international student of Purdue University. Near Pine Village, Indiana, June 5, 1999.
![](../../pictures/archives/compress/1999/90/jpeg/18t.jpg) International students of Purdue University walking over rapids and tubs of a creek in Potholes Park (Fall Creek Gorge) near Pine Village. Indiana, June 5, 1999.
![](../../pictures/archives/compress/2001/170/jpeg/31t.jpg) Entrance to Nahal Tseelim River Gorge, 2 miles north from Masada. The Middle East, January 20, 2001
![](../../pictures/archives/compress/2004/424/jpeg/21t.jpg) Maples in a yard of a mansion at Bellevue Avenue. Newport, Rhode Island, November 13, 2004
![](../../pictures/archives/compress/2011/939/jpeg/25t.jpg) Stone arch of Ruins (1800-1803) near Slavyanka River one mile from Tiarlevo in Pavlovsk Park, suburb of Saint Petersburg. Russia, May 15, 2011
![](../../pictures/archives/compress/2008/685/jpeg/10t.jpg) Bigtooth maple in Lost Maples State Natural Area, near parking. Vanderpool, Texas, November 7, 2008
![](../../pictures/archives/compress/1999/110/jpeg/11t.jpg) Wabash Street Bridge across Chicago River. Sun-Times Daily News, Wrigley and Equitable Buildings are behind the bridge. Chicago, November 22, 1999
![](../../pictures/archives/compress/2001/170/jpeg/29t.jpg) Entrance to Nahal Tseelim River Gorge from Dead Sea, 2 miles north from Masada, view from a parking place. The Middle East, January 20, 2001
![](../../pictures/archives/compress/2001/170/jpeg/30t.jpg) A.S. at entrance to Nahal Tseelim River Gorge from Dead Sea, 2 miles north from Masada, view from a parking place. The Middle East, January 20, 2001
![](../../pictures/archives/compress/2008/685/jpeg/15t.jpg) Western section of East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
![](../../pictures/archives/compress/2008/686/jpeg/01t.jpg) Back-lit trees on East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
![](../../pictures/archives/compress/2008/685/jpeg/04t.jpg) Stones and trees in Lost Maples State Natural Area, on East Trail. Vanderpool, Texas, November 7, 2008
![](../../pictures/archives/compress/2008/685/jpeg/09t.jpg) Pond with rocks in Lost Maples State Natural Area, on East Trail. Vanderpool, Texas, November 7, 2008
![](../../pictures/archives/compress/2008/685/jpeg/23t.jpg) Red foliage of bigtooth maple on East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
![](../../pictures/archives/compress/2008/686/jpeg/02t.jpg) Prickly pears cactus on East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
![](../../pictures/archives/compress/2008/685/jpeg/21t.jpg) East Trail crowded by park visitors in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
![](../../pictures/archives/compress/2008/685/jpeg/08t.jpg) Reddish maple leaves in Lost Maples State Natural Area, on East Trail. Vanderpool, Texas, November 7, 2008
![](../../pictures/archives/compress/2008/685/jpeg/06t.jpg) Red foliage of maple trees in Lost Maples State Natural Area, on East Trail. Vanderpool, Texas, November 7, 2008
![](../../pictures/archives/compress/2008/685/jpeg/18t.jpg) Foliage on western section of East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
![](../../pictures/archives/compress/2008/685/jpeg/26t.jpg) Ponds of Can Creek from an overlook of East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
![](../../pictures/archives/compress/2008/685/jpeg/17t.jpg) Water stream of Can Creek from West Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
![](../../pictures/archives/compress/2021/2945/jpeg/21t.jpg) Dwarf purple rhododendron (Rhododendron impeditum) in Peter the Great Botanical Garden of Komarov Botanical Institute. Saint Petersburg, Russia, May 26, 2021
![](../../pictures/archives/compress/2019/2519/jpeg/12t.jpg) Kamchatka rhododendron (Rhododendron camtschaticum) in Peter the Great Botanical Garden of Komarov Botanical Institute. Saint Petersburg, Russia, June 3, 2019
![](../../pictures/archives/compress/2008/685/jpeg/22t.jpg) Fall foliage of bigtooth maple on East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
![](../../pictures/archives/compress/2008/685/jpeg/19t.jpg) Rocks and Can Creek from western section of East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
![](../../pictures/archives/compress/2008/685/jpeg/16t.jpg) Ponds of Can Creek from western section of East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
![](../../pictures/archives/compress/2008/685/jpeg/12t.jpg) East Trail on a grassy terrace in Lost Maples State Natural Area, close to parking. Vanderpool, Texas, November 8, 2008
![](../../pictures/archives/compress/2008/685/jpeg/20t.jpg) Rocks and trees near western section of East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
![](../../pictures/archives/compress/2008/666/jpeg/27t.jpg) Steel arch bridge spanning Brazos River (Washington Street Bridge, built in 1901), from south-west. Waco, Texas, August 23, 2008
![](../../pictures/archives/compress/2008/685/jpeg/13t.jpg) Hillside view west from East Trail in Lost Maples State Natural Area, close to parking. Vanderpool, Texas, November 8, 2008
![](../../pictures/archives/compress/2008/685/jpeg/25t.jpg) Rock shelters of Hale Hollow Creek near East Trail in Lost Maples State Natural Area. Vanderpool, Texas, November 8, 2008
![](../../pictures/archives/compress/2008/686/jpeg/03t.jpg) Rock shelters of Hale Hollow Creek East Trail in Lost Maples State Natural Area, at evening. Vanderpool, Texas, November 8, 2008
![](../../pictures/archives/compress/2008/685/jpeg/05t.jpg) Ball moss (Tillandsia recurvata) on a maple tree in Lost Maples State Natural Area, on East Trail. Vanderpool, Texas, November 7, 2008
![](../../pictures/archives/compress/2005/476/jpeg/23t.jpg) A wall of the gorge in Taughannock Falls State Park. New York, November 23, 2005
![](../../pictures/archives/compress/1999/110/jpeg/12t.jpg) State Street Bridge across Chicago River. City Garage (?) and Blue Cross - Blue Shield Building are behind the bridge. Chicago, November 22, 1999
![](../../pictures/archives/compress/2004/422/jpeg/02t.jpg) Stone Arch Bridge across Blackstone Canal in Blackstone River and Canal Heritage State Park. Uxbridge, Massachusetts, October 30, 2004
![](../../pictures/archives/compress/2004/419/jpeg/01t.jpg) Stone Arch Bridge across Blackstone Canal in Blackstone River and Canal Heritage State Park. Uxbridge, Massachusetts, October 10, 2004
![](../../pictures/archives/compress/2003/363/jpeg/26t.jpg) Stone Arch Bridge across Blackstone Canal in Blackstone River and Canal Heritage State Park. Uxbridge, Massachusetts, October 30, 2003
![](../../pictures/archives/compress/2003/363/jpeg/17t.jpg) Stone Arch Bridge across Blackstone Canal in Blackstone River and Canal Heritage State Park. Uxbridge, Massachusetts, October 30, 2003
![](../../pictures/archives/compress/2008/685/jpeg/07t.jpg) Ball moss (Tillandsia recurvata) in tangled balls around a tree branch in Lost Maples State Natural Area, on East Trail. Vanderpool, Texas, November 7, 2008
![](../../pictures/archives/compress/2005/473/jpeg/07t.jpg) Cliffs of Enfield gorge in Robert H. Treman State Park. Ithaca, New York, November 2, 2005
![](../../pictures/archives/compress/2005/473/jpeg/09t.jpg) Forest of Enfield gorge, from Rim Trail, in Robert H. Treman State Park. Ithaca, New York, November 2, 2005
|