1350-6506 - Castle ruins, in La Iruela, Sierra de Cazorla, Andalusia, Spain

1348-3116 - Carbon Dioxide Hazard Area warning sign around Horseshoe Lake, Inyo National Forest

1348-3115 - Carbon Dioxide Hazard Area warning sign around Horseshoe Lake, Inyo National Forest

832-381380 - Mt. Grossglockner Hochalpenstrasse, alpine road, Hohe Tauern National Park, Salzburg, Austria, Europe

832-381284 - Aerial view of a flock of sheep during the transhumance in the Soria region, Arévalo de la Sierra, Castilla y León, Spain, Europe

857-95087 - Man diving into La Salle Lake while hiking on a two-week trek of the Sierra High Route in the John Muir Wilderness in California. The 200-mile route roughly parallels the popular John Muir Trail through the Sierra Nevada Range of California from Kings Canyon National Park to Yosemite National Park.

857-92622 - Field of wildflowers at sunset on Carson Pass, High Sierra California, Mokelumne Wilderness Area, California, United States of America

799-3033 - High Sierra mountain scenery from Glacier Point, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America

857-86435 - A man tries his hand at a little early morning fly fishing in the High Sierra, California

832-310079 - Panoramic view of sunrise on Mt. Zugspitze, Upper Bavaria, Bavaria, Germany, Europe

832-309934 - Mountain lake, Hochkoenig Massif, Berchtesgadener Alps, Salzburger Land, Austria, Europe

832-310316 - Mt. Elbrus, Kabardino-Balkaria, Greater Caucasus, Russia

832-310315 - Lesser Caucasus, aerial view from a height of 10 000 m, Azerbaijan, Russia

832-310005 - St. Leonhard in Passeier, Passeier Valley, Dolomites, South Tirol, Italy, Europe

832-309998 - Gondola lift going from Mt. Aiguille du Midi to Point Helbonner, view of Turin Cabin, Mont Blanc, Vallee Blanche, glacial crevasses, Savoy Alps, France, Europe

832-310013 - Fermedatuerme and Sass Rigais peaks, Geislergruppe Range, Groednertal Valley, Dolomites, South Tirol, Italy, Europe

832-309928 - Mt. Bratschenkopf, Mt. Hochkoenig and alpine meadow, Berchtesgadener Alps, Salzburger Land, Austria, Europe

832-263878 - View of the roofs of Zahara de la Sierra, Sierra de Grazalema, Cadiz Province, Andalusia, Spain, Europe

832-258345 - Historic district of Altea, Sierra Bernia in evening light behind, Costa Blanca, Spain, Europe

832-240313 - Achensee lake seen from Mt. Seebergspitze, Karwendelgebirge mountains, North Tyrol, Tyrol, Austria, Europe

832-233675 - Snowy peaks of the Torridon nature park with Loch Torridon, Scottish Highlands, Liathach, Torridon, Scotland, Europe

832-128437 - Viewing platform at the mountain top station of the 2334 metre high Maennlichen Mountain overlooking the 2973 metre high Schilthorn Mountain in the Bernese Alps, Canton of Bern, Switzerland, Europe

832-128535 - View from Mt. Hoher Kasten over the Stauberenfirst, down to Lake Saemtisersee, on the right Mt. Alp Sigel with the autumnal Sigelwald forest, Mt. Saentis on the horizon, Canton Appenzell Inner-Rhodes, Switzerland, Europe

832-128538 - View from Mt. Kamor down to Alp Soll, in the back Lake Saemtisersee between the Appenzell Alps, Canton Appenzell Inner Rhodes, Switzerland, Europe

832-104829 - View from the tower of the Johanniskirche church on the market square with the old town hall, in the back the Hersbrucker Schweiz region, market place, Lauf an der Pegnitz, Middle Franconia, Bavaria, Germany, Europe

832-98437 - Overview, corrugated iron roofs, houses, mountains, Socoroma village, Putre, Altiplano, Norte Grande, northern Chile, Chile, South America

832-75041 - Benidorm, panorama, the Sierra Helada at back, Alicante, Spain, Europe

817-412804 - Bunyola, Sierra de Tramuntana, Mallorca, Spain Balearic Islands

817-412830 - Sierra de Tramuntana from Talaia d¥Albercutx, Pollenca Mallorca Balearic Islands Spain

817-405816 - Es Cairats, Valldemossa Sierra de Tramuntana Majorca Balearic Islands Spain

817-406546 - Sierra de la Partacua- Valle de Tena, Pyrenees, Huesca province, Aragon, Spain, Europe

817-405785 - Dragonera Island, Lighthouse Na Popia, Ponent Andratx Mallorca Balearic Islands Spain

817-405815 - Es Cairats, Valldemossa Sierra de Tramuntana Majorca Balearic Islands Spain

857-78628 - The High Sierra mountains with new fall snow reflecting in an alpine lake in Rock Creek Canyon in California

857-42500 - Two hikers on a glacier reflecting in a lake in Eastern Sierra Nevada mountains, California.

857-42599 - Two backpackers hiking up a snow covered slope in Eastern Sierra Nevada mountains, California.

857-42499 - Two hikers on a glacier reflecting in a lake in Eastern Sierra Nevada mountains, California.

857-42526 - Legs and backpacker in Eastern Sierra Nevada mountains, California.

857-42178 - Glaciar carved dome in Yosemite, tight telephoto

857-42547 - Man using a camp stove in Eastern Sierra Nevada mountains, California.

857-42525 - Legs and backpacker in Eastern Sierra Nevada mountains, California.

857-42584 - Feet with trail running shoes hiking by in Eastern Sierra Nevada mountains, California.

857-42566 - Two men backpacking in an alpine meadow with a lake in Eastern Sierra Nevada mountains, California.

857-42581 - Feet with trail running shoes hiking by in Eastern Sierra Nevada mountains, California.

857-42505 - Two hikers trekking through an alpine meadow in Eastern Sierra Nevada mountains, California.

857-42504 - Two hikers trekking through an alpine meadow in Eastern Sierra Nevada mountains, California.

857-42538 - Man washing his face in a mountain lake in Eastern Sierra Nevada mountains, California.

857-42564 - Man looking at his map beside his tent in Eastern Sierra Nevada mountains, California.

857-32697 - Bonni Casteel carries her bike over an un-rideable part of a singletrack trail in El Potrero Chico Park in Mexico. El Potrero Chico means "The Little Corral". It is part of the Sierra Madre occidental and used to be under the sea. It is a unique geologic limestone formation with cliffs up to 2000 ft. high.

857-31502 - Anthoney Brunello and Kathryn Lessey look down from Red cliffs at Kirkwood Mountain Resort in the summer. Kirkwood is an amazing place to explore and enjoy many summer activities such as Frisbee golf, backpacking, mountain biking, swimming and of course the beautiful high Sierra wildflower season.

857-32696 - Elaina Arenz is carrying her mountainbike over a part of the trail that is not rideable in El Potrero Chico Park. El Potrero Chico means "The Little Corral". It is part of the Sierra Madre occidental and used to be under the sea. It is a unique geologic limestone formation with cliffs up to 2000 ft. high.

857-33746 - A Couple Hiking Above the Clouds in the Sierra Mountains of California

857-30937 - A high angle view of Kevin Swift climbing on an overhanging boulder in the Buttermilks, California, near Bishop in the Eastern Sierra Nevada mountains..

832-34037 - reflection of Yosemite Falls in flooded meadow Yosemite Valley Yosemite National Park California USA

817-317205 - View of the Sierra Nevada mountain's, Alpujarra's, Province of Granada, Spain

698-2821 - Tourist hiker, on top of Moro Rock overlooking the Sequoia foothills, looking towards Kings Canyon and the high mountains of the Sierra Nevada, Sequoia National Park, California, United States of America, North America

698-2822 - Moro Rock and the high mountains of the Sierra Nevada, Sequoia National Park, California, United States of America, North America

832-15924 - Popocatepetl Volcano, El Popo, Sierra Volcanica, Mexico, Central America

817-98147 - Snow and cloud on jagged edge of rock on sheer granite cliff of El Capitan, Yosemite National Park, California

817-98487 - Clearing fall storm over Half Dome from Cooks Meadow, Yosemite Valley, Yosemite National Park, CALIFORNIA

817-114700 - Cathedral Peak from the shore of upper Cathedral Lake (deer visible), Yosemite National Park, California

817-98448 - Alpenglow on clouds at sunset above Half Dome and Tenaya Canyon, Yosemite National Park, CALIFORNIA

817-114681 - Climber on the West Ridge of Mt, Conness, Tuolumne Meadows area, Yosemite National Park, California

817-29 - Sierra de Urbasa, Navarra, Spain

296-1229 - High Sierra mountains, California, United States of America (U.S.A.), North America