Saguaro cacti, Sabino Canyon, Saguaro National Park, Arizona Eocene Echmatemys Fossil Turtle Costa Rica, Tabacon Hot Springs, tropical vegetation along natural hot springs Tabacon Hot Springs And Volcan Arenal Acropolis And Parthenon, Athens Costa Rica, Monteverde, Monteverde Cloud Forest Reserve Trees below Mount Assiniboine with Sunburst Lake, British Columbia, Canada Red and Green Macaw pair courting, Buraco das Araras, Pantanal, Brazil Coqui frog on leaf, El Yunque Forest, Puerto Rico Falls Creek Falls, Gifford Pinchot National Forest, Washington Black-footed Penguin descending stairs, Boulders Beach, South Africa Deception Pass Bridge from North Beach, Whidbey Island, Washington Parasaurolophus Dinosaur Fossil Summit Of The Monch, 4,107 Metres (13,474 Feet) From West, Bernese Alps, Switzerland Cretaceous Lambeosaurus Dinosaur Fossil Alaska Range, Interior, Susitna Glacier, Mt. Deborah, complex medial moraines, surging Toco Toucan Upper Body Of Notoungulata Fossil Wind turbines, Schell Creek Range, Nevada Southern Double-collared Sunbird male on Pincushion protea flower, South Africa Green Turtle nesting female on beach, Ascension Island, South Atlantic Ocean Sundew showing sticky hairs, Stirling Range National Park, Western Australia Humpback Whale, mother and baby underwater, Caribbean, Dominican Republic Ring-Tailed Lemurs, (Lemur Catta), Berenty Reserve, MADAGASCAR White Cliffs Of Dover, Seven Sisters, Beachy Head, East Sussex Bentonite clay deposits, Painted Hills, John Day National Monument, Oregon Bunchberry, Dogwood, Tatshenshini River, British Columbia, Canada Galapagos Sea Lion pups playing, Espanola Island, Galapagos Islands, Ecuador Snow Goose flapping wings, Skagit River, Washington Bentonite clay deposits, Painted Hills, John Day National Monument, Oregon Maned Sloth, Endangered, Atlantic Forest, Brazil Utah, Bryce Canyon National Park, detail of Hoodoos, eroded lake sediments Rainbow at Victoria Falls, Zimbabwe Spain, Granada, Alhambra, Legendary Moorish Palace Interior Details Deception Pass Bridge in fog, Deception Pass State Park, Washington Mexico, Chichen Itza, Kukulcan Green Sea Turtle returning to sea after nesting, Ascension Island, Atlantic Ocean Saguaro cacti, Saguaro National Park, Arizona Grenadines, beach at Mayreau Island Ruins Of Sanctuary Of Athena At Delphi Greece, Meteora, Roussanou Monastery Green Turtle, hatchlings head to sea, Ascension Island, South Atlantic Ocean Red-Eyed Tree Frog Sculpture And Pyramid Of Kukulcan Bahamas, thunderstorm at sunset Crescent moon and summit of Mount Assiniboine, British Columbia, Canada Tundra and Mount Assiniboine, British Columbia, Canada Palouse Falls, Palouse River, Washington Page 2