 El Capitan Mountain from a trail near Guadalupe Spring in Guadalupe Mountains National Park. Texas, December 27, 2007
 El Capitan Mountain 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
 Guadalupe spring from El Capitan Trail. 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
 Cactus on rocks of El Capitan Trail. Guadalupe Mountains National Park, Texas, December 27, 2007
 El Capitan Trail and Mountain in Guadalupe Mountains National Park. Texas, December 27, 2007
 El Capitan Mountain and Trail in Guadalupe Mountains National Park. Texas, December 27, 2007
 El Capitan Mountain from a trail in 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
 Cushion cactus and El Capitan Mountain from a trail in 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
 El Capitan Mountain from southern foot of the mountain. 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
 El Capitan Mountain at sunset, view from lower Roadside Park south from the mountain. 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
 El Capitan Mountain at 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, view from lower Roadside Park at morning. 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 with cholla cactus in foreground, view from upper Roadside Park. 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
 Big rocks near Devil s Hall in Pine Spring Canyon. 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
 Hedgehog cactus near El Capitan Trail. Guadalupe Mountains National Park, Texas, December 27, 2007
 Prickly pears near El Capitan Trail. Guadalupe Mountains National Park, Texas, December 27, 2007
 View from beginning of El Capitan Trail in Guadalupe Mountains National Park. Texas, December 27, 2007
 Dead tree from El Capitan Trail. Guadalupe Mountains National Park, Texas, December 27, 2007
 Prickly pears and yucca near El Capitan Trail. Guadalupe Mountains National Park, Texas, December 27, 2007
 Alligator juniper (Juniperus deppeana) near El Capitan Trail. Guadalupe Mountains National Park, Texas, December 27, 2007
 Magenta tinged echinocereus hedgehog actus on El Capitan Trail. Guadalupe Mountains National Park, Texas, December 27, 2007
 Slopes of Frijole Mountain from McKittrick Canyon Trail. Guadalupe Mountains National Park, Texas, December 28, 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
 Devil s Hall in Pine Spring Canyon. Guadalupe Mountains National Park, Texas, December 28, 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
 Upper section of Hiker s Staircase near Devil s Hall 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
 Agave on McKittrick Canyon Trail. Guadalupe Mountains National Park, Texas, December 28, 2007
 Frozen McKittrick Creek. Guadalupe Mountains National Park, Texas, December 28, 2007
 Grotto in McKittrick Canyon, with icicles. 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
 Echinocereus cacti growing on ruins of Hunter Line shack in McKittrick Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
 Texas madrone in McKittrick Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
 Bee Mountain, view to the west from Smokey Creek Trail near Mule Ear Spring. Big Bend National Park, Texas, November 25, 2007
 Rocks near parking at Clingmans Dome. Smoky Mountains National Park, Tennessee, May 18, 2007
 Goat Mountain, view to the north from Smokey Creek Trail near Mule Ear Spring. Big Bend National Park, Texas, November 25, 2007
 Spring flowers among rocks in a riverbed near a trail descending from a mountain ridge to Yeroham reservoir. The Middle East, March 8, 2001
 Trap Mountain(?) west from Smokey Creek Trail near Trap Spring east from Mule Ear Overlook. Big Bend National Park, Texas, November 25, 2007
 Prismatic rocks in High Mountain Park. Paterson, New Jersey, March 25, 2007
 Dwarf sunflowers (Old-man-of-the-mountain, Rydbergia grandiflora, Hymenoxys grandiflora) on a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Rocks on a slope of Freshman Mountain east from Turkey Pass Trail in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
 Spring flowers on rocks of Negev Desert, on a mountain ridge behind Yeroham reservoir. The Middle East, March 8, 2001
 View of a slope of Colony Baldy Mountain from Macey Lakes Trail in Sangre de Cristo Mountains. Colorado, July 2, 2007
 View from a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Lower Macey Lake and Little Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 2, 2007
 Mountain laurel flowers on Blue Trail in DeSoto State Park on Lookout Mountain. Fort Payne, Alabama, May 19, 2007
 Cliffs of Toll Mountain from Boot Spring Trail. Big Bend National Park, November 26, 2009
 A dried tree on a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Alpine tundra on a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Crestone Peak from a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 A statue of Saint Jude in the chapel of Our Lady of Guadalupe Church at 411 North Rampart Street, a corner of Conti Street (Mortuary Chapel, "the Church of the Dead"). New Orleans, Louisiana, December 9, 2006
 Shrine of Saint Jude in the chapel of Our Lady of Guadalupe Church at 411 North Rampart Street, a corner of Conti Street (Mortuary Chapel, "the Church of the Dead"). New Orleans, Louisiana, December 21, 2006
 Hairy Androsace and deer clover on Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Alpine primrose(?) (Primula angustifolia) on Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Alpine phlox(?) flowers on the slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Slopes of Chisos Mountains from Boot Spring Trail. Big Bend National Park, November 26, 2009
 A dead tree and Reiser Prairie from a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Sulphur flower buckwheat (Eriogonum umbellatum) on Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Slopes of Chisos Mountains east from Boot Spring Trail. Big Bend National Park, November 27, 2009
 Pink flowers of Moss campion (Silene acaulis) on Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Dwarf alpine deer clover (Trifolium nanum) on Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Dwarf cinquefoil and white alpine phlox wildflowers on a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Alpine forget-me-not (Eritrichum aretioides) flowers carpeting the slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Alpine Sandwort (Lidia obtusiloba, Minuartia biflora) on a slope of Colony Baldy Mountain in Sangre de Cristo Mountains. Colorado, July 3, 2007
 Weathered pedestal rocks at the top of Freshman Mountain. Enchanted Rock State Natural Area, Fredericksburg, Texas, December 25, 2018
 Smokey Creek Trail east from Mule Ear Spring. Big Bend National Park, Texas, November 25, 2007
 Crown Mountain, view from lower part of Juniper Canyon Trail. Big Bend National Park, Texas, November 23, 2007
 Mushroom rocks (differential weathering of shaded sides of rocks) in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007
 Riverbed rocks above Pedernales Falls. Johnson City, Texas, December 24, 2007
 Elephant Tusk Rock, view from Fresno Spring near Dodson Trail. Big Bend National Park, Texas, November 24, 2007
 Pitaya(?) cactus on Smokey Creek Trail east from Mule Ear Spring. Big Bend National Park, Texas, November 25, 2007
 Cactus on rocks of Smokey Creek. Big Bend National Park, Texas, November 25, 2007
 Zigzag cliff-brake fern (Pellaea ovata) in shade of big rocks on Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 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
 Lawn rocks of olivine (?) on Geological Trail through Timna Mountains. The Middle East, March 15, 2001
 Marble rocks near a quarry in Ruskeala Mountain Park. Karelia, Russia, September 19, 2015
 Purple-tinged prickly pear cactus on Smokey Creek Trail near Trap Spring east from Mule Ear Overlook. Big Bend National Park, Texas, November 25, 2007
 Camping on a small ridge near Juniper Canyon Trail south from Upper Juniper Spring. Big Bend National Park, Texas, November 22, 2007
 Large rocks near marble quarry in Ruskeala Mountain Park. Karelia, Russia, September 19, 2015
 Rocks of abandoned marble quarry in Ruskeala Mountain Park. Karelia, Russia, September 19, 2015
 Fresno Spring at evening. Big Bend National Park, Texas, November 23, 2007
 Shrine of Saint Jude in the chapel of Our Lady of Guadalupe Church at 411 North Rampart Street, a corner of Conti Street (Mortuary Chapel, "the Church of the Dead"). New Orleans, Louisiana, August 5, 2006
 Indian Lodge in Davis Mountains State Park. Fort Davis, Texas, December 29, 2007
 A trail over rocks behind En Namer spring in Tseelim Canyon 3.5 miles north-west from Masada. The Middle East, May 17, 2001
 A trail between rocks behind En Namer spring in Tseelim Canyon 3.5 miles north-west from Masada. The Middle East, May 17, 2001
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