Belt of Venus over Horseshoe Bend on the Colorado River. The Colorado River makes a 180-degree turn at Horseshoe Bend. Here the river has eroded the Navajo sandstone for eons, digging a canyon 1100-feet deep. The Belt of Venus, or anti-twilight arch, is the shadow of the earth cast upon the atmosphere just above the horizon, and occurs a few minutes before sunrise or after sunset.
Location: Page, Arizona
Image ID: 37781
Panorama dimensions: 5719 x 8788
Aerial Photo of Tijuana River Mouth SMCA. Tijuana River Mouth State Marine Conservation Area borders Imperial Beach and the Mexican Border.
Location: Imperial Beach, California
Image ID: 30649
San Diego and Tijuana City Skyline, viewed from Mount Soledad.
Location: San Diego, California
Image ID: 36661
Panorama dimensions: 4868 x 8654
Eureka Dunes. The Eureka Valley Sand Dunes are California's tallest sand dunes, and one of the tallest in the United States. Rising 680' above the floor of the Eureka Valley, the Eureka sand dunes are home to several endangered species, as well as "singing sand" that makes strange sounds when it shifts. Located in the remote northern portion of Death Valley National Park, the Eureka Dunes see very few visitors.
Location: Eureka Dunes, Death Valley National Park, California
Image ID: 25250
Sky Rock at night, light by moonlight with stars in the clear night sky above. Sky Rock petroglyphs near Bishop, California. 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.
Image ID: 28505
The Virgin River Narrows, where the Virgin River has carved deep, narrow canyons through the Zion National Park sandstone, creating one of the finest hikes in the world.
Location: Virgin River Narrows, Zion National Park, Utah
Image ID: 28578
The Virgin River Narrows, where the Virgin River has carved deep, narrow canyons through the Zion National Park sandstone, creating one of the finest hikes in the world.
Location: Virgin River Narrows, Zion National Park, Utah
Image ID: 28579
Monument Valley panorama.
Location: Monument Valley, Arizona
Image ID: 28597
Panorama dimensions: 6429 x 14925
Aerial Photo of Raplee Ridge near Mexican Hat, Utah. Raplee Ridge is a spectacular series of multicolored triangular flatirons near the San Juan River. Often called "the Raplee Anticline" the geologic structure is in fact better described as a monocline, according to the Utah Geological Survey.
Location: Mexican Hat, Utah
Image ID: 39490
A sliding rock of the Racetrack Playa. The sliding rocks, or sailing stones, move across the mud flats of the Racetrack Playa, leaving trails behind in the mud. The explanation for their movement is not known with certainty, but many believe wind pushes the rocks over wet and perhaps icy mud in winter.
Location: Racetrack Playa, Death Valley National Park, California
Image ID: 25239
The Grand Tetons, reflected in the glassy waters of the Snake River at Schwabacher Landing, on a beautiful summer morning.
Location: Grand Teton National Park, Wyoming
Image ID: 26923
Panorama dimensions: 5318 x 6689
Bridalveil Falls at sunset, with clouds and blue sky in the background. Bridalveil Falls in Yosemite drops 620 feet (188 m) from a hanging valley to the floor of Yosemite Valley.
Location: Bridalveil Falls, Yosemite National Park, California
Image ID: 34540
Saint Peter's Basilica over the Tiber River, Vatican City.
Location: Vatican City, Rome, Italy
Image ID: 35547
Braided glacial river, highlands of Southern Iceland.
Location: Iceland
Image ID: 35720
Sentinel Dome summit compass marker, with Half Dome in the distance, Yosemite National Park.
Location: Yosemite National Park, California
Image ID: 36363