 A view from Newfound Gap Road. Smoky Mountains National Park, Tennessee, May 18, 2007
 A view from Clingmans Dome. Smoky Mountains National Park, Tennessee, May 18, 2007
 Rocks near parking at Clingmans Dome. Smoky Mountains National Park, Tennessee, May 18, 2007
 El Capitan Mountain, view from lower Roadside Park at morning. Guadalupe Mountains National Park, Texas, December 28, 2007
 El Capitan Mountain at sunset, view from lower Roadside Park. Guadalupe Mountains National Park, Texas, December 28, 2007
 El Capitan Mountain after sunset, view from lower Roadside Park. Guadalupe Mountains National Park, Texas, December 28, 2007
 El Capitan Mountain, view from upper Roadside Park at morning. Guadalupe Mountains National Park, Texas, December 28, 2007
 El Capitan Mountain from a trail in Guadalupe Mountains National Park. Texas, December 27, 2007
 El Capitan Mountain and Trail in Guadalupe Mountains National Park. Texas, December 27, 2007
 Frozen McKittrick Creek. Guadalupe Mountains National Park, Texas, December 28, 2007
 El Capitan Trail and Mountain in Guadalupe Mountains National Park. Texas, December 27, 2007
 Agave on McKittrick Canyon Trail. Guadalupe Mountains National Park, Texas, December 28, 2007
 Grotto in McKittrick Canyon, with icicles. Guadalupe Mountains National Park, Texas, December 28, 2007
 View from beginning of El Capitan Trail in Guadalupe Mountains National Park. Texas, December 27, 2007
 Cactus on rocks of El Capitan Trail. Guadalupe Mountains National Park, Texas, December 27, 2007
 Agaves and El Capitan Mountain from a trail in Guadalupe Mountains National Park. Texas, December 27, 2007
 Prickly pears near El Capitan Trail. Guadalupe Mountains National Park, Texas, December 27, 2007
 Dead tree from El Capitan Trail. Guadalupe Mountains National Park, Texas, December 27, 2007
 Hedgehog cactus near El Capitan Trail. Guadalupe Mountains National Park, Texas, December 27, 2007
 El Capitan Mountain with cholla cactus in foreground, view from upper Roadside Park. Guadalupe Mountains National Park, Texas, December 28, 2007
 El Capitan Mountain with prickly pears cactus in foreground, view from upper Roadside Park. Guadalupe Mountains National Park, Texas, December 28, 2007
 Hunter Line Cabin in McKittrick Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
 Bark of alligator juniper in McKittrick Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
 Devil s Hall in Pine Spring Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
 Cushion cactus and El Capitan Mountain from a trail in Guadalupe Mountains National Park. Texas, December 27, 2007
 El Capitan Mountain (zoomed), view to the west in Guadalupe Mountains National Park. Texas, December 27, 2007
 Prickly pears and yucca near El Capitan Trail. Guadalupe Mountains National Park, Texas, December 27, 2007
 Agave, cacti and El Capitan Mountain from a trail in Guadalupe Mountains National Park. Texas, December 27, 2007
 Chisos Mountains with snow, view from Castalon Highway. Big Bend National Park, Texas, November 25, 2007
 Slopes of Frijole Mountain from McKittrick Canyon Trail. Guadalupe Mountains National Park, Texas, December 28, 2007
 Alligator juniper (Juniperus deppeana) near El Capitan Trail. Guadalupe Mountains National Park, Texas, December 27, 2007
 Big rocks near Devil s Hall in Pine Spring Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
 Rocks in Devil s Hall in Pine Spring Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
 Rocks on Devils Hall Trail in Pine Spring Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
 Magenta tinged echinocereus hedgehog actus on El Capitan Trail. Guadalupe Mountains National Park, Texas, December 27, 2007
 Hiker s staircase in Pine Spring Canyon, on Devils Hall Trail. Guadalupe Mountains National Park, Texas, December 28, 2007
 Dead juniper on Devils Hall Trail in Pine Spring Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
 El Capitan Mountain at sunset, view from lower Roadside Park south from the mountain. Guadalupe Mountains National Park, Texas, December 28, 2007
 Echinocereus cacti growing on ruins of Hunter Line shack in McKittrick Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
 Upper section of Hiker s Staircase near Devil s Hall in Pine Spring Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
 Guadalupe spring from El Capitan Trail. Guadalupe Mountains National Park, Texas, December 27, 2007
 Texas madrone in McKittrick Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
 Chisos Mountains with traces of snow, view from Castalon Highway (Ross Maxwell Scenic Drive). Big Bend National Park, Texas, November 25, 2007
 El Capitan Mountain from southern foot of the mountain. Guadalupe Mountains National Park, Texas, December 27, 2007
 El Capitan Mountain Trail near Guadalupe Spring in Guadalupe Mountains National Park. Texas, December 27, 2007
 El Capitan Mountain from a trail near Guadalupe Spring in Guadalupe Mountains National Park. Texas, December 27, 2007
 El Capitan Mountain from a trail at the foot of the mountain. Guadalupe Mountains National Park, Texas, December 27, 2007
 Rocks and El Capitan Mountain from a trail near Guadalupe Spring in Guadalupe Mountains National Park. Texas, December 27, 2007
 Split rock and El Capitan Mountain from a trail near Guadalupe Spring in Guadalupe Mountains National Park. Texas, December 27, 2007
 Texas madrone (Arbutus xalapensis) on Devils Hall Trail in Pine Spring Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
 Peeling bark of Texas madrone on Devils Hall Trail in Pine Spring Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
 Smooth white bark of Texas madrone on Devils Hall Trail in Pine Spring Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
 Flooding of Millstone River bridge in Delaware and Raritan Canal State Park, near Road 27. Kingston, New Jersey, April 16, 2007
 Slopes of Chisos Mountains from Pinnacles Trail. Big Bend National Park, November 26, 2009
 Fall colors of Chisos Mountains from Pinnacles Trail. Big Bend National Park, November 26, 2009
 Slopes of Chisos Mountains from Boot Spring Trail. Big Bend National Park, November 26, 2009
 Veterans Memorial Bridge, also known as Gramercy Bridge, over Mississippi River, view from a levee near River Road. Wallace, Louisiana, January 7, 2007
 Slopes of Chisos Mountains east from Boot Spring Trail. Big Bend National Park, November 27, 2009
 Santa Elena Canyon and mountains in Mexico from SW3 (Southwest Rim) campsite at sunrise. Big Bend National Park, November 29, 2009
 Casa Grande Peak of Chisos Mountains from Emory Peak Trail. Big Bend National Park, November 27, 2009
 Pour-off of Smokey Creek. Big Bend National Park, Texas, November 25, 2007
 Canyon of Smokey Creek. Big Bend National Park, Texas, November 25, 2007
 Fresno Spring at evening. Big Bend National Park, Texas, November 23, 2007
 Ruins of Dodson Ranch. Big Bend National Park, Texas, November 23, 2007
 Saint Joseph plantation, view from a levee across River Road. Vacherie, Louisiana, January 7, 2007
 Cactus on rocks of Smokey Creek. Big Bend National Park, Texas, November 25, 2007
 Maiden ferns at Mule Ear Spring. Big Bend National Park, Texas, November 25, 2007
 Agave on Smokey Creek Trail. Big Bend National Park, Texas, November 24, 2007
 Cacti on east part of Dodson Trail. Big Bend National Park, Texas, November 23, 2007
 Mule Ear Peaks from Smokey Creek Trail. Big Bend National Park, Texas, November 25, 2007
 Lower part of Juniper Canyon Trail. Big Bend National Park, Texas, November 23, 2007
 Boot Rock, view from Juniper Canyon Trail. Big Bend National Park, Texas, November 23, 2007
 Fresno Circle campsite near Dodson Trail at evening. Big Bend National Park, Texas, November 23, 2007
 Smokey Creek Trail east from Mule Ear Spring. Big Bend National Park, Texas, November 25, 2007
 Lower (flat) part of Juniper Canyon Trail. Big Bend National Park, Texas, November 23, 2007
 Weathered wood on Pinnacles Trail near Juniper Flat. Big Bend National Park, Texas, November 22, 2007
 Smokey Creek Trail north from Mule Ear Peaks. Big Bend National Park, Texas, November 25, 2007
 Sotol and Southeast Rim, view from east part of Dodson Trail. Big Bend National Park, Texas, November 23, 2007
 Northeast Rim, view from lower part of Juniper Canyon Trail. Big Bend National Park, Texas, November 23, 2007
 South Rim, view from Fresno Circle campsite near Dodson Trail. Big Bend National Park, Texas, November 23, 2007
 Dallas Sierra Club on Smokey Creek Trail at rain. Big Bend National Park, Texas, November 24, 2007
 Ocotillo on Smokey Creek Trail north from Mule Ear Peaks. Big Bend National Park, Texas, November 25, 2007
 Century plant and Elephant Tusk Mountain, view from South Rim. Big Bend National Park, Texas, November 22, 2007
 Desert mistletoe(?) growing on ocotillo, view from Smokey Creek Trail. Big Bend National Park, Texas, November 25, 2007
 Elephant Tusk Rock, view from Fresno Spring near Dodson Trail. Big Bend National Park, Texas, November 24, 2007
 Crown Mountain, view from lower part of Juniper Canyon Trail. Big Bend National Park, Texas, November 23, 2007
 Pitaya(?) cactus on Smokey Creek Trail east from Mule Ear Spring. Big Bend National Park, Texas, November 25, 2007
 Bee Mountain, view to the west from Smokey Creek Trail near Mule Ear Spring. Big Bend National Park, Texas, November 25, 2007
 A historical bridge across Millstone River bridge during flooding, near Road 27. Kingston, New Jersey, April 16, 2007
 True Friends Benevolent Society Hall (c. 1883) (River Road African American Museum) at 711 Lessard Street. Donaldsonville, Louisiana, January 7, 2007
 Goat Mountain, view to the north from Smokey Creek Trail near Mule Ear Spring. Big Bend National Park, Texas, November 25, 2007
 Smokey Creek Trail through creosote bushes and cacti east from Mule Ear Overlook. Big Bend National Park, Texas, November 25, 2007
 Cane Cholla cactus and Southeast Rim, view from east part of Dodson Trail. Big Bend National Park, Texas, November 23, 2007
 Valley of Smokey Creek, view to the east from a trail north from Mule Ear Peaks. Big Bend National Park, Texas, November 25, 2007
 Indian Lodge in Davis Mountains State Park. Fort Davis, Texas, December 29, 2007
 Purple-tinged prickly pear cactus in the middle part of Smokey Creek Trail. Big Bend National Park, Texas, November 25, 2007
 Santa Elena Canyon west from Smokey Creek Trail east from Mule Ear Spring. Big Bend National Park, Texas, November 25, 2007
 Smokey Creek Trail near Trap Spring east from Mule Ear Overlook, view to the west. Big Bend National Park, Texas, November 25, 2007
 Cliff above Indian Lodge in Davis Mountains State Park. Fort Davis, Texas, December 29, 2007
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