La Sal Mountains and Balanced Rock, Arches National Park, Utah Red Mountain reflected in pond, San Juan Mountains, Colorado Volcanic rock, Onawe, Banks Peninsula, Canterbury, New Zealand Leopard Seal, Antarctic Peninsula, Antarctica Eruption of Tolbachik Volcano, Kamchatka, Russia Pyramid Mountain and Pyramid Lake, Jasper National Park, Alberta, Canada Lake Alftavatn, Laugavegur Trail, Iceland Natural bridge on El Matador State Beach, California Gray Wolf (Canis lupus) pups in light snowfall, North America Ancient blue iceberg, detail, Antarctica Panorama view of Windy Mountain, Wyoming Alaska Range and foothills, Denali National Park, Alaska Sea ice break-up, Transantarctic Mountains, Ross Sea, Antarctica Stream in winter, Nova Scotia, Canada Common Sunflower flowers, Japan Colorado River flowing through canyons of Dead Horse Point State Park, Utah The Teton Range at String Lake, Grand Teton National Park, Wyoming Colorado Blue Columbine (Aquilegia caerulea) meadow at American Basin, Colorado Haystack Mountain with aspen forest, Maroon Bells-Snowmass Wilderness, Colorado Newfound Gap, Great Smoky Mountains National Park, North Carolina White-necked Jacobin (Florisuga mellivora) hummingbird, male foraging, Costa Rica Wind and rain eroded tufa towers along shore of Mono Lake, California Siberian Tiger (Panthera tigris altaica) running, native to Russia Gray Wolf (Canis lupus) portrait, Norway Waterfall Rocky Mountains Colorado Sunrise over Kasilof River, Kasilof, Alaska Coastal Rocks At Sunset, Pu'uhonua, Big Island, Hawaii Buff-tailed Coronet (Boissonneaua flavescens) feeding, Andes, Ecuador American Goldfinch (Carduelis tristis), Canada Domestic Chicken rooster, Kauai, Hawaii Northern Saw-whet Owl perching in a wild rose bush, British Columbia, Canada Dawn from the base of Makewehi Cliffs near Shipwreck Beach, Keoneloa Bay, Kauai, Hawaii Atlantic coast near Thunder Hole, Acadia National Park, Maine Dolomite Peak and Bow River backwaters, Banff National Park, Alberta Wood Duck male in breeding plumage, California Tulip flower garden, Japan Wasco Lake, Twenty Lakes Basin, Sierra Nevada Mountains, California Caprock Canyons State Park, Texas Desert Bluebell (Campanula rotundifolia) and Agave (Agave sp) North America Haystack Mountain reflected in beaver pond, Maroon Bells, Snowmass Wilderness, Colorado Orange Sneezeweed and Delphinium in American Basin, Colorado Orange Sneezeweed and Indian Paintbrush flowers in meadow, North America Grand Turk and Kendall Mountains in background with Indian False Hellebore Barn Owl (Tyto alba) perching among dry grasses, British Columbia, Canada Koala mother with joey, eastern temperate Australia Mandarin Duck (Aix galericulata) male, Jurong Bird Park, Singapore Grasslands and dunes, Great Sand Dunes National Monument, Colorado Yellow Pond Lily (Nuphar luteum) close up of pads, North America Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51