Lunar Eclipse Sequence, the path of the moon through the sky as it progresses from being fully visible (top) to fully eclipsed (middle) to almost fully visible again (bottom), viewed through Arch Rock, April 4 2015.
Location: Joshua Tree National Park, California
Image ID: 30713
Mesa Arch spans 90 feet and stands at the edge of a mesa precipice thousands of feet above the Colorado River gorge. For a few moments at sunrise the underside of the arch glows dramatically red and orange.
Location: Island in the Sky, Canyonlands National Park, Utah
Image ID: 18040
Hammerhead sharks swim in a school underwater at Wolf Island in the Galapagos archipelago. The hammerheads eyes and other sensor organs are placed far apart on its wide head to give the shark greater ability to sense the location of prey.
Species: Scalloped hammerhead shark, Sphyrna lewini
Location: Wolf Island, Galapagos Islands, Ecuador
Image ID: 16271
Mobius Arch at sunrise, framing snow dusted Lone Pine Peak and the Sierra Nevada Range in the background. Also known as Galen's Arch, Mobius Arch is found in the Alabama Hills Recreational Area near Lone Pine.
Location: Alabama Hills Recreational Area, California
Image ID: 27644
Narcissis the Ocean Sunfish was So Handsome He Fell in Love with his Own Reflection, in the Open Ocean near San Diego.
Species: Ocean sunfish, Mola mola
Location: San Diego, California
Image ID: 39460
Los Islotes, famous for its friendly colony of California sea lions, part of Archipelago Espiritu Santo, Sea of Cortez, Aerial Photo.
Location: Baja California, Mexico
Image ID: 32397
Blue whale skeleton in Antarctica, on the shore at Port Lockroy, Antarctica. This skeleton is composed primarily of blue whale bones, but there are believed to be bones of other baleen whales included in the skeleton as well.
Species: Blue whale, Balaenoptera musculus
Location: Port Lockroy, Antarctic Peninsula, Antarctica
Image ID: 25604
Humpback whale lunge feeding on Antarctic krill, with mouth open and baleen visible. The humbpack's throat grooves are seen as its pleated throat becomes fully distended as the whale fills its mouth with krill and water. The water will be pushed out, while the baleen strains and retains the small krill.
Species: Humpback whale, Megaptera novaeangliae
Location: Gerlache Strait, Antarctic Peninsula, Antarctica
Image ID: 25648
Archangel Falls in autumn, near the Subway in North Creek Canyon, with maples and cottonwoods turning fall colors.
Location: Zion National Park, Utah
Image ID: 26097