1311-615 - View of a rock formation called Cathedral Butte at the base of the Vermilion Cliffs, Glen Canyon Recreation Area, Arizona, United States of America, North America

1311-616 - View of a rock formation called Cathedral Rock from within Chocolate Canyon, Glen Canyon Recreation Area, Arizona, United States of America, North America

1311-614 - View of Glen Canyon Recreation Area from the middle of Lees Ferry Road at Marble Canyon, Arizona, United States of America, North America

1311-608 - The Vermilion Cliffs adjacent to Glen Canyon Recreation Area viewed from the plateau at the end of Spencer Trail in Marble Canyon with Lee's Ferry on the lower left with the Colorado River, Arizona, United States of America, North America

1311-607 - The bend in the Colorado River at Lee's Ferry in Glen Canyon Recreation Area viewed from the plateau at the end of Spencer Trail at Marble Canyon in winter, Arizona, United States of America, North America

1311-613 - Panorama of the south side of Johnson Point from below its cliffs at Marble Canyon, Glen Canyon Recreation Area, Arizona, United States of America, North America

1311-612 - View of the south side of Johnson Point from below its cliffs at Marble Canyon, Glen Canyon Recreation Area, Arizona, United States of America, North America

1311-611 - Panorama of Marble Canyon viewed from Johnson Point below the Vermilion Cliffs, Glen Canyon Recreation Area, Arizona, United States of America, North America

1311-610 - A pool of water reflecting the summit of Johnson Point below Vermilion Cliffs, Glen Canyon Recreation Area, Arizona, United States of America, North America

1311-609 - Panorama of Marble Canyon viewed from Johnson Point below the Vermilion Cliffs, Glen Canyon Recreation Area, Arizona, United States of America, North America

1311-605 - The cattle corral of Lonely Dell Ranch, managed by the National Park Service, at Glen Canyon Recreation Area, Arizona, United States of America, North America

1311-606 - The Paria River flowing through Paria Canyon in the Glen Canyon Recreation Area, Arizona, United States of America, North America

1112-7396 - Fruiting saguaro cactus (Carnegiea gigantea), in bloom in June, Sweetwater Preserve, Tucson, Arizona, United States of America, North America

1112-7397 - Saguaro cactus (Carnegiea gigantea), photographed under a waning moon in the Sweetwater Preserve, Tucson, Arizona, United States of America, North America

1112-7395 - Saguaro cactus (Carnegiea gigantea), photographed at sunrise in the Sweetwater Preserve, Tucson, Arizona, United States of America, North America

1112-7393 - Saguaro cactus (Carnegiea gigantea), photographed at sunrise in the Sweetwater Preserve, Tucson, Arizona, United States of America, North America

1112-7394 - Saguaro cactus (Carnegiea gigantea), photographed at sunrise in the Sweetwater Preserve, Tucson, Arizona, United States of America, North America

1112-7392 - An adult white-nosed coati (Nasua narica), at the Santa Rita Lodge in Madera Canyon, southern Arizona, Arizona, United States of America, North America

1112-7391 - An adult male broad-billed hummingbird (Cynanthus latirostris magicus), Madera Canyon, southern Arizona, Arizona, United States of America, North America

1112-7389 - An adult male broad-billed hummingbird (Cynanthus latirostris magicus), Madera Canyon, southern Arizona, Arizona, United States of America, North America

1112-7390 - An adult bridled titmouse (Baeolophus wollweberi), Madera Canyon, southern Arizona, Arizona, United States of America, North America

1112-7388 - An adult female black-chinned hummingbird (Arcgilochus alexandri), Madera Canyon, southern Arizona, Arizona, United States of America, North America

1112-7387 - An adult great horned owl (Bubo virginianus), sitting on the nest in Madera Canyon, southern Arizona, Arizona, United States of America, North America

1112-7386 - An adult female acorn woodpecker (Melanerpes formicivorous), Madera Canyon, southern Arizona, Arizona, United States of America, North America

1112-7385 - An adult great horned owl (Bubo virginianus), with chick sitting on a nest in Madera Canyon, southern Arizona, Arizona, United States of America, North America

1112-7384 - An adult female black-chinned hummingbird (Arcgilochus alexandri), Madera Canyon, southern Arizona, Arizona, United States of America, North America

1112-7382 - An adult female Costa's hummingbird (Calypte costae) feeding in Madera Canyon, southern Arizona, Arizona, United States of America, North America

1112-7383 - An adult female Costa's hummingbird (Calypte costae) feeding in Madera Canyon, southern Arizona, Arizona, United States of America, North America

1112-7381 - An adult female Costa's hummingbird (Calypte costae) feeding in Madera Canyon, southern Arizona, Arizona, United States of America, North America

1112-7380 - Organ pipe cactus (Stenocereus thurberi), at night in Organ Pipe Cactus National Monument, Sonoran Desert, Arizona, United States of America, North America

1112-7379 - Organ pipe cactus (Stenocereus thurberi) at night in Organ Pipe Cactus National Monument, Sonoran Desert, Arizona, United States of America, North America

1112-7378 - Organ pipe cactus (Stenocereus thurberi) at night in Organ Pipe Cactus National Monument, Sonoran Desert, Arizona, United States of America, North America

1112-7377 - A grove of trembling aspens (Populus tremuloides), in fall coloration near Snowbowl, Flagstaff, Arizona, United States of America, North America

1112-7376 - An juvenile acorn woodpecker (Melanerpes formicivorous), Madera Canyon, southern Arizona, Arizona, United States of America, North America

1112-7374 - An adult male acorn woodpecker (Melanerpes formicivorous), Madera Canyon, southern Arizona, Arizona, United States of America, North America

1112-7375 - Adult California kingsnake (Lampropeltis californiae), Thong Chul, Tucson, Arizona, Arizona, United States of America, North America

1112-7373 - A Mexican jay (Aphelocoma wollweberi), in a tree in the Chiricahua National Monument, Arizona, Arizona, United States of America, North America

1112-7372 - Adult California kingsnake (Lampropeltis californiae), Thong Chul, Tucson, Arizona, United States of America, North America

1112-7371 - A Mexican jay (Aphelocoma wollweberi), in a tree in the Chiricahua National Monument, Arizona, United States of America, North America

1112-7370 - Organ pipe cactus (Stenocereus thurberi), Organ Pipe Cactus National Monument, Sonoran Desert, Arizona, United States of America, North America

1112-7369 - A beavertail pkicklypear cactus (Opuntia basilaris), in bloom at Thong Chul, Tucson, Arizona, United States of America, North America

1112-7368 - Adult Mexican long-nosed bat (Leptonycteris yerbabuenae), at a feeder at night, Westward Look Resort, Tucson, Arizona, United States of America, North America

1112-7367 - A young red-tailed hawk (Buteo jamaicensis), on a sign near Whitewater Draw, Coronado National Forest, Arizona, United States of America, North America

1112-7366 - Saguaro cactus (Carnegiea gigantea), photographed at night in the Sweetwater Preserve, Tucson, Arizona, United States of America, North America

1350-6430 - A group of photographers in a photo workshop taking pictures at night in Monument Valley Navajo Tribal Park, Arizona.

1311-604 - The cliffs of Bright Angel Canyon at Grand Canyon viewed from the start of Garden Creek Canyon along Bright Angel Trail, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

1311-603 - A sign along the Bright Angel Trail in Grand Canyon warning that the plants in this area are very fragile, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

1311-602 - The cliffs of Bright Angel Canyon along the Bright Angel Trail in winter near midday on the South Rim of Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

1311-601 - Grand Canyon viewed from the Bright Angel Trail in winter just past the 1.5 Mile Rest House after sunrise, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

1311-600 - The cliffs of Bright Angel Canyon along the Bright Angel Trail in winter at sunrise on the South Rim of Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

1311-599 - A winter sunrise view of Grand Canyon Arizona from Bright Angel Trail on the South Rim just past the second tunnel, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

1311-598 - The second tunnel along Bright Angel Trail in winter at sunrise on the South Rim of Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

1311-597 - A winter dawn view of Grand Canyon from Bright Angel Trail on the South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

1311-596 - The first tunnel along Bright Angel Trail in winter under Moonlight on the South Rim of Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

1311-595 - View of Yuma Point from Hermit Trail in winter at Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

1311-594 - A hiker looking out from a cliff in Hermit Canyon at Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

1311-593 - View of Hermit Canyon from Dripping Springs trail at Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

1311-592 - Hermit Canyon at Grand Canyon viewed from the east side of Yuma Point along the Boucher Trail with Pima Point on the upper right, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

1311-591 - View of Hermit Canyon and Hermit Basin from the Boucher Trail at Grand Canyon with Pima Point on the upper left, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

1311-590 - View of Hermit Canyon from the east side of Yuma Point at Grand Canyon Arizona along the Boucher Trail with Pima Point on the upper right, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

1311-589 - The Colorado River from its south shoreline near Phantom Ranch at Grand Canyon Arizona.

1311-588 - West view of the Colorado River from the Black Bridge at Grand Canyon Arizona.

1311-587 - The South Kaibab Trail winding down to the Black Bridge that spans the Colorado River at Grand Canyon Arizona. Phantom Ranch is just left of center.

1311-586 - View of Pipe Creek from the west cliff of Skeleton Point at Grand Canyon Arizona along the South Kaibab Trail.

1311-585 - Sunrise view from Cedar Ridge along the South Kaibab Trail at Grand Canyon Arizona in winter. O'Neill Butte is on the left and Cremation Creek is below in the center. Ooh Aah Point in on the upper right.

1311-584 - View of O'Neill Butte from its north side along the South Kaibab Trail at Grand Canyon Arizona just after sunrise.

1311-583 - Wintery view of the Palisades of the Desert at Grand Canyon National Park Arizona.

1311-582 - The Colorado River viewed from the Palisades of the Desert near Comanche Point at Grand Canyon Arizona.

1311-581 - Frozen craggy cliffs along the Palisades of the Desert at Grand Canyon Arizona.

1311-580 - Ancient Indian ruins on a small rock island just left of center along the Palisades of the Desert at Grand Canyon Arizona.

1311-579 - Ancient Indian ruins on a small rock island just right of center along the Palisades of the Desert at Grand Canyon Arizona.

1311-578 - A hiker standing on a snowy cliff on the east rim of Grand Canyon National Park Arizona.

1311-577 - A hiker standing on a snowy cliff on the east rim of Grand Canyon National Park Arizona.

1311-576 - The snowy cliffs of Desert View Point on the left with the Palisades on the right at Grand Canyon National Park Arizona.

1311-575 - Wintery view of the Palisades of the Desert at Grand Canyon National Park Arizona.

1311-574 - A feminine shaped hoodoo in Petrified Forest Arizona on the north side of the Clam Beds called Queen of Pearls.

1311-573 - A rock hoodoo in Pharaoh's Garden at Petrified Forest Arizona that resembles a Duck head.

1311-572 - A field of hoodoos along the Red Basin Trail in Petrified Forest National Park Arizona called Pharaoh's Garden.

1311-571 - View of the West End of the Red Basin from a hilltop at Petrified Forest National Park Arizona.

1311-570 - A pair of hoodoo formations near the Red Basin in Petrified Forest National Park Arizona called the Red Basin Gnomes.

1311-569 - The red bentonite hills of the Red Basin in Petrified Forest National Park Arizona.

1311-568 - A bend in the creek that flows through the Red Basin in Petrified Forest National Park Arizona.

1311-567 - An area of the Red Basin in Petrified Forest National Park Arizona where the purple bentonite transitions into red for which the basin is named.

1311-566 - The purple entrance of the Red Basin at Petrified Forest National Park Arizona.

1311-564 - View of Troll Hill at Petrified Forest National Park Arizona along the Red Basin Trail.

1311-565 - Slabs of stone along the Red Basin Trail called the Tabletops at Petrified Forest National Park Arizona.

1311-563 - The shallow pond at Petrified Forest National Park Arizona called Dry Creek Tank along the Red Basin Trail.

1311-562 - A giant petrified log balanced on a sandstone pedestal in Petrified Forest National Park Arizona along the Red Basin Trail.

1311-561 - View of the salty bentonite hills on the north side of the Blue Forest in Petrified Forest National Park Arizona.

1311-560 - View of the salty bentonite hills on the north side of the Blue Forest in Petrified Forest National Park Arizona.

1311-558 - View of the Blue Forest plains from the lower part of Blue Mesa in Petrified Forest National Park Arizona.

1311-559 - View from the end of a small box canyon on the west side of Lower Blue Mesa at Petrified Forest National Park Arizona.

1311-557 - View of the Blue Forest plains from the lower part of Blue Mesa in Petrified Forest National Park Arizona.

1311-556 - Giant pieces of broken petrified wood in Jasper Forest at Petrified Forest National Park Arizona.

1311-555 - A ridge of purple bentonite clay jutting out into Jasper Forest at Petrified Forest National Park Arizona.

1359-95 - Scenic view of Grand Canyon from South Kaibab Trail, Grand Canyon National Park, Arizona, USA

1359-94 - Scenic view of Grand Canyon from South Kaibab Trail, Grand Canyon National Park, Arizona, USA

1359-76 - Grand Canyon along Hermit Road, Grand Canyon National Park, Arizona, USA

1359-74 - Scenic view of Grand Canyon from Ooh Aah Point on South Kaibab Trail, Grand Canyon National Park, Arizona, USA

1359-75 - Grand Canyon along Hermit Road on sunny day, Grand Canyon National Park, Arizona, USA