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    Martha Marks

    Featured Collections

    Highlighted selections from Martha Marks
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    Organ Pipe Cactus National Monument in southern Arizona, showing a portion of Diablo Canyon, a wash that is popular with hikers
    Collegiate Peaks of the Sawatch Range of the Colorado Rockies
    Gates Pass in Tucson Mountain Park in Arizona's Sonoran Desert
    An ORV path passes by fields of autumn grasses, gorgeous cliffs, and mountains in evening light at Browns Park National Wildlife Refuge in northwestern Colorado
    View of scenic red-rock canyon country in the Texas Panhandle from a turnout on Hwy 207, known as Hamblen Drive
    Death Valley National Park in spring
    Dramatic geological formations at Caprock Canyons State Park in Texas
    Little Painted Desert on Hopi Tribal Land in northern Arizona
    Rugged landscape of the Ajo Mountains in Organ Pipe Cactus National Monument in southern Arizona, as seen from Ajo Mountain Drive
    Death Valley National Park in spring
    Dramatic geological formations at Caprock Canyons State Park in Texas
    Organ Pipe Cactus National Monument in southern Arizona, showing Giant Saguaro and flowering Ocotillo cacti
    Dramatic geological formations at Caprock Canyons State Park in Texas
    Prairie Dog Town Fork of the Red River in the Texas Panhandle
    Dramatic long views at Dinosaur National Monument in Utah and Colorado
    Gorgeous cliffs, autumn grasses, and mountains at sunset in Browns Park National Wildlife Refuge in northwestern Colorado
    Dry river bed of the Prairie Dog Town Fork of the Red River in the Texas Panhandle
    Geological rock formations at Caprock Canyons State Park in Texas
    Death Valley National Park colorful bluffs on Artist Drive
    Rugged landscape of the Ajo Mountains in Organ Pipe Cactus National Monument in southern Arizona, as seen from Ajo Mountain Drive
    Joshua Trees and intriguing rocks in Joshua Tree National Park in California
    Dying Organ Pipe Cactus seen along Ajo Mountain Drive in Organ Pipe Cactus National Monument in southern Arizona
    Death Valley NP "Corkscrew Peak" in spring
    Dramatic long views at Dinosaur National Monument in Utah and Colorado
    Dramatic geological formations at Caprock Canyons State Park in Texas
    Red Rock mountain range in Sedona, Arizona
    Death Valley NP with wildflowers and snowy peaks
    Tuzigoot National Monument
    Joshua Trees and eroded hills in Mojave National Preserve in California
    Kolob Canyons section of Zion National Park in southern Utah
    Canyon de Chelly National Monument on the Navajo reservation in Arizona
    Panorama of sunset light on the steep stone cliffs of Monument Canyon in Colorado National Monument
    The bridge over the Rio Grande Gorge casts a long shadow across its 800' deep canyon, which lies on the Taos Plateau in New Mexico; view looking north from US Hwy 64
    Death Valley scenic drive with wildflowers and snowy peaks
    Death Valley National Park colorful bluffs and wildflowers
    Rough-dirt Schnebly Hill Road runs through red-rock country near Sedona, Arizona
    Majestic rock wall at Colorado National Monument near the towns of Grand Junction and Fruita
    Ultra-wide panorama of the stone landmarks, plants, distant mountains, and vast sky of Colorado National Monument
    Las Vegas National Wildlife Refuge in New Mexico
    Gorgeous cliffs, autumn grasses, and mountains at sunset in Browns Park National Wildlife Refuge in northwestern Colorado
    Death Valley National Park winding scenic drive
    Panorama of gorgeous cliffs, fields of autumn grasses, and a large cottonwood tree in evening light at Browns Park National Wildlife Refuge in northwestern Colorado
    Autumn colors in Black Canyon of the Gunnison National Park in Colorado
    Arkansas River in the Rocky Mountains of Colorado
    Dawn on the main road into Organ Pipe Cactus National Monument in southern Arizona, showing the Ajo Mountains
    Death Valley National Park
    Browns Park National Wildlife Refuge is a wild, beautiful, remote area of mountains, prairies, wetlands and fabulous skies in the extreme northwest corner of Colorado
    California's Red Rock Canyon State Park in Mojave Desert, wide view
    Gates Pass in Tucson Mountain Park in Arizona's Sonoran Desert
    Cacti, yellow wildflowers and eroded hills at Caprock Canyons State Park in Texas
    Afternoon light on the steep, sloping bluffs of the eastern side of Colorado National Monument, with the town of Grand Junction and distant mountains, as seen from Rim Rock Drive
    Dramatic long views at Dinosaur National Monument in Utah and Colorado
    East Portal Road descends in a steep, winding trajectory through Black Canyon of the Gunnison National Park to the Gunnison River in Colorado
    Marsh in Upper Beaver Meadows with Long's Peak in background in Rocky Mountain National Park in Colorado
    Sunset Crater Volcano National Monument near Flagstaff, Arizona
    Gorgeous cliffs, fields of autumn grasses, and mountains in evening light at Browns Park National Wildlife Refuge in northwestern Colorado
    Steep bluffs sheltered Apaches at "Cochise Stronghold" in Arizona's Dragoon Mountains
    Sunset Crater Volcano National Monument near Flagstaff, Arizona
    Gorgeous cliffs, fields of autumn grasses, and a large cottonwood tree in evening light at Browns Park National Wildlife Refuge in northwestern Colorado
    Browns Park National Wildlife Refuge is a wild, beautiful, remote area of mountains, prairies, wetlands and fabulous skies in the extreme northwest corner of Colorado
    Death Valley National Park scenic Artist Drive
    Collegiate Peaks of the Sawatch Range of the Colorado Rockies
    Turkey Vulture or Buzzard perches high in a tree in Black Canyon of the Gunnison National Park in Colorado
    Rio Grande Gorge, view looking south from the US Hwy 64 bridge over the 800' deep chasm, which lies on the Taos Plateau in New Mexico
    Death Valley National Park scenic Artist Drive
    Death Valley National Park
    The bridge over the Rio Grande Gorge casts a long shadow across its 800' deep canyon, which lies on the Taos Plateau in New Mexico; view looking north from US Hwy 64
    Rio Grande Gorge, view looking south from the US Hwy 64 bridge over the 800' deep chasm, which lies on the Taos Plateau in New Mexico, paralling the Sangre de Cristo Mountains
    View of redrock canyon country in the Texas Panhandle from scenic Hamblen Drive, Texas Hwy 207
    Long view of Black Canyon of the Gunnison National Park, including the Gunnison River, which carved this amazingly deep canyon in Colorado.
    Death Valley NP sand dunes sunset
    Zion National Park, looking west from Kolob Canyons