Male elk bugling during the fall rut. Large male elk are known as bulls. Male elk have large antlers which are shed each year. Male elk engage in competitive mating behaviors during the rut, including posturing, antler wrestling and bugling, a loud series of screams which is intended to establish dominance over other males and attract females.
Species: Elk, Cervus canadensis
Location: Mammoth Hot Springs, Yellowstone National Park, Wyoming
Image ID: 19693
A kelp forest, with sunbeams passing through kelp fronds. Giant kelp, the fastest growing plant on Earth, reaches from the rocky bottom to the ocean's surface like a submarine forest.
Species: Giant kelp, Macrocystis pyrifera
Location: San Clemente Island, California
Image ID: 02411
Yosemite Valley Tunnel View, Storm clouds at sunset, Yosemite National Park.
Location: Yosemite National Park, California
Image ID: 34542
Panorama dimensions: 7653 x 12541
A SCUBA diver swims through a giant kelp forest which is tilted back by strong ocean currents. Giant kelp, the fastest plant on Earth, reaches from the rocky bottom to the ocean's surface like a submarine forest.
Species: Giant kelp, Macrocystis pyrifera
Location: San Clemente Island, California
Image ID: 01107
Ocean sunfish recruiting fish near drift kelp to clean parasites, open ocean, Baja California.
Species: Ocean sunfish, Mola mola
Image ID: 03267
2006 Mavericks surf contest champion Grant Twiggy Baker of South Africa. Final round, Mavericks surf contest, February 7, 2006.
Location: Mavericks, Half Moon Bay, California
Image ID: 15299
Glory of the Sea cone shell, brown form. The Glory of the Sea cone shell, once one of the rarest and most sought after of all seashells, remains the most famous and one of the most desireable shells for modern collectors.
Species: Glory of the seas cone, Conus gloriamaris
Image ID: 08732
Bristlecone pine displays its characteristic gnarled, twisted form as it rises above the arid, dolomite-rich slopes of the White Mountains at 11000-foot elevation. Patriarch Grove, Ancient Bristlecone Pine Forest.
Species: Bristlecone Pine, Pinus longaeva
Location: White Mountains, Inyo National Forest, California
Image ID: 17475
Townsley Lake (10396'), a beautiful alpine lake sitting below blue sky, clouds and Fletcher Peak (right), lies amid the Cathedral Range of glacier-sculpted granite peaks in Yosemite's high country, near Vogelsang High Sierra Camp.
Location: Yosemite National Park, California
Image ID: 23206
Sky Rock petroglyphs near Bishop, California, sunrise light just touching clouds and the Sierra Nevada. Hidden atop an enormous boulder in the Volcanic Tablelands lies Sky Rock, a set of petroglyphs that face the sky. These superb examples of native American petroglyph artwork are thought to be Paiute in origin, but little is known about them.
Location: Bishop, California
Image ID: 26979
Ancient Douglas fir trees in Cathedral Grove. Cathedral Grove is home to huge, ancient, old-growth Douglas fir trees. About 300 years ago a fire killed most of the trees in this grove, but a small number of trees survived and were the originators of what is now Cathedral Grove. Western redcedar trees grow in adundance in the understory below the taller Douglas fir trees.
Species: Douglas fir tree, Pseudotsuga menziesii
Location: Cathedral Grove, MacMillan Provincial Park, Vancouver Island, British Columbia, Canada
Image ID: 22456
Panorama dimensions: 9702 x 3043
San Diego Bay and Downtown City Skyline at Dawn, spectacular clouds light up over the city. Mount San Miguel in the distance.
Location: San Diego, California
Image ID: 37636
Panorama dimensions: 5305 x 14631
San Clemente Island Pyramid Head, the distinctive pyramid shaped southern end of the island. San Clemente Island Pyramid Head, showing geologic terracing, underwater reefs and giant kelp forests.
Location: San Clemente Island, California
Image ID: 26003