Tim Fitzharris / Gypsum dunes, Guadalupe Mountains National Park, Texas
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Ingo Arndt / El Capitan at sunset, Guadalupe Mountains National Park, Texas, USA
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Ingo Arndt / El Capitan at sunset, Guadalupe Mountains National Park, Texas, USA
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Ingo Arndt / Guadalupe Mountains National Park at sunset, Texas, USA
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Ingo Arndt / Guadalupe Mountains National Park, Texas, USA
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Ingo Arndt / El Capitan at sunset, Guadalupe Mountains National Park, Texas, USA
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Tim Fitzharris / Salt flats at night, Guadalupe Mountains National Park, Texas
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Tim Fitzharris / Yucca (Yucca sp) plants with rainbow over mountain, El Capitan, Guadalupe Mountains National Park, New Mexico
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Tim Fitzharris / Mountain at sunset, El Capitan, Guadalupe Mountains National Park, Texas
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Tim Fitzharris / Mountain at sunset, El Capitan, Guadalupe Mountains National Park, Texas
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Tim Fitzharris / Opuntia (Opuntia sp) cactus and Agave (Agave sp) near El Capitan, Guadalupe Mountains National Park, Chihuahuan Desert, Texas
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Tim Fitzharris / Rainbow near El Capitan, Guadalupe Mountains National Park, Texas
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Steven Kazlowski / Mountain barbary sheep (Ammotragus lervia), Guadalupe Mountains National Park, west Texas, USA, January, A species introduced from north Africa
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Rolf Nussbaumer / Trail with Bigtooth Maples (Acer grandidentatum) in autumn, McKittrick Canyon, Guadalupe Mountains National Park, Texas, USA, November 2005
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Rolf Nussbaumer / Sunrise on El Capitan, Guadalupe Mountains National Park, Texas, USA, November 2005
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Tim Fitzharris / Yucca and cacti in the desert, Guadalupe Mountains National Park, Texas
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Konrad Wothe / Soaptree Yucca (Yucca elata) growing in Gypsum Dunes, White Sands National Park, Chihuahua Desert, New Mexico
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Konrad Wothe / Soaptree Yucca (Yucca elata) growing in Gypsum Dunes, White Sands National Park, Chihuahua Desert, New Mexico
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Konrad Wothe / Soaptree Yucca (Yucca elata) growing in Gypsum Dunes, White Sands National Park, Chihuahua Desert, New Mexico
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Tim Fitzharris / El Capitan, Guadalupe Mountains National Park, Texas
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Tim Fitzharris / El Capitan, Guadalupe Mountains National Park, Texas
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Tim Fitzharris / Boulders at Guadalupe Mountains National Park, Texas
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Rolf Nussbaumer / Texas Madrone {Arbutus xalapensis} berries, Guadalupe Mountains National Park, Texas, USA
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Rolf Nussbaumer / Bigtooth Maples (Acer saccharum grandidentatum) in autumn, McKittrick Canyon, Guadalupe Mountains National Park, Texas, USA, November 2005
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Rolf Nussbaumer / McKittrick Canyon trail and Bigtooth Maples (Acer grandidentatum) in autumn, McKittrick Canyon, Guadalupe Mountains National Park, Texas, USA, November 2005
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Rolf Nussbaumer / Stream with fallen leaves of Bigtooth Maple (Acer grandidentatum) in autumn, McKittrick Canyon, Guadalupe Mountains National Park, Texas, USA, November 2005
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Tim Fitzharris / Gypsum dunes, Guadalupe Mountains National Park, Texas
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Tim Fitzharris / El Capitan and Balanced Rock, Guadalupe Mountains National Park, Texas
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Tim Fitzharris / El Capitan, Guadalupe Mountains National Park, Texas
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Tim Fitzharris / El Capitan and Balanced Rock, Guadalupe Mountains National Park, Texas
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Konrad Wothe / Soaptree Yucca (Yucca elata) growing in gypsum sand dunes, White Sands National Park, Chihuahua Desert, New Mexico
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Konrad Wothe / Soaptree Yucca (Yucca elata) growing in gypsum sand dunes, White Sands National Park, Chihuahua Desert, New Mexico
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Konrad Wothe / Soaptree Yucca (Yucca elata) growing in gypsum sand dunes, White Sands National Park, Chihuahua Desert, New Mexico
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Konrad Wothe / Fremont Cottonwood (Populus fremontii) amid gypsum dune fields, White Sands National Park, Chihuahua Desert, New Mexcio
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Tim Fitzharris / Pepperweed (Lepidium sp) in bloom with El Capitan in distance, Guadalupe Mountains National Park, Texas
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Tim Fitzharris / Boulder field and El Capitan, Guadalupe Mountains National Park, Texas
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Tim Fitzharris / Balancing rock formation, Guadalupe Mountains National Park, Texas
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Tim Fitzharris / Balanced rocks, Guadalupe Mountain National Park, Texas
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Tim Fitzharris / Pepperweed (Lepidium sp) meadow beneath El Capitan, Guadalupe Mountains National Park, Texas
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Chase Dekker / Half Dome, El Capitan, and Bridal Veil Falls, Yosemite National Park, California
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Tim Fitzharris / El Capitan from Merced River, Yosemite National Park, California
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Tim Fitzharris / El Capitan from Merced River, Yosemite National Park, California
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Tim Fitzharris / El Capitan from Merced River, Yosemite National Park, California
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Tim Fitzharris / El Capitan from Merced River, Yosemite National Park, California
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Tim Fitzharris / El Capitan, Yosemite National Park, California
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Tim Fitzharris / El Capitan, Yosemite National Park, California
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Jeff Foott / El Capitan reflected in Merced River, Yosemite National Park, California
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Jeff Foott / El Capitan reflected in Merced River, Yosemite National Park, California
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Jeff Foott / Clouds over El Capitan, Yosemite National Park, California
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Jeff Foott / El Capitan, Yosemite National Park, California
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Tim Fitzharris / Opuntia (Opuntia sp) cactus and Agave (Agave sp) near El Capitan, Guadalupe Mountains National Park, Chihuahuan Desert, Texas