Portrait of a young brown bear, pausing while grazing in tall sedge grass. Brown bears can consume 30 lbs of sedge grass daily, waiting weeks until spawning salmon fill the rivers.
Species: Brown bear, Ursus arctos
Location: Lake Clark National Park, Alaska
Image ID: 19135
Venus comb murex. Scientists speculate that the distinctively long and narrow spines are a protection against fish and other mollusks and prevent the mollusk from sinking into the soft, sandy mud where it is commonly found.
Species: Venus comb murex, Murex pecten
Image ID: 12970
Full moon rises over Seattle city skyline at dusk, Space Needle at right.
Location: Seattle, Washington
Image ID: 13661
Tiny hikers atop Sand Dunes in Death Valley National Park, California. Near Stovepipe Wells lies a region of sand dunes, some of them hundreds of feet tall.
Location: Stovepipe Wells, Death Valley National Park, California
Image ID: 15577
Hiker in North Window, sunset, western face. North Window is a natural sandstone arch 90 feet wide and 48 feet high.
Location: North Window, Arches National Park, Utah
Image ID: 18159
Scalloped hammerhead shark swims over a reef in the Galapagos Islands. 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: 16246
A great white shark swims through the clear waters of Isla Guadalupe, far offshore of the Pacific Coast of Mexico's Baja California. Guadalupe Island is host to a concentration of large great white sharks, which visit the island to feed on pinnipeds and use it as a staging area before journeying farther into the Pacific ocean.
Species: Great white shark, Carcharodon carcharias
Location: Guadalupe Island (Isla Guadalupe), Baja California, Mexico
Image ID: 19465
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
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
A hiker admiring the striated walls and dramatic light within Antelope Canyon, a deep narrow slot canyon formed by water and wind erosion.
Location: Navajo Tribal Lands, Page, Arizona
Image ID: 17993
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
The Wave, an area of fantastic eroded sandstone featuring beautiful swirls, wild colors, countless striations, and bizarre shapes set amidst the dramatic surrounding North Coyote Buttes of Arizona and Utah. The sandstone formations of the North Coyote Buttes, including the Wave, date from the Jurassic period. Managed by the Bureau of Land Management, the Wave is located in the Paria Canyon-Vermilion Cliffs Wilderness and is accessible on foot by permit only.
Location: North Coyote Buttes, Paria Canyon-Vermilion Cliffs Wilderness, Arizona
Image ID: 20607