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Horseshoe Valley from the Chasm Waterfall Trail, Rocky Mountain National Park, Colorado, USA
Horizontal shot of a typical 1940s vacation snapshot in Colorado.
The San Francisco Peaks are the remnants of an ancient volcano that erupted millions of years ago, shattering a large mountain and leaving a large crater and surrounding peaks. The tallest of these is Humphreys at 12,637 feet and Agassiz at 12,356 feet.  This picture of the peaks was taken from the O'Leary Peak Trail in the Coconino National Forest near Flagstaff, Arizona, USA.
Climbing Crestone Peak, Crestone Needle, Kit Carson Peak, and Mount HUmbolt IN the Sangre De Cristo Mountains Colorado July 1982
Rows of Aspens at peak Fall color grow in tall vertical rows with spruce evergreens creating a spectacular landscape which looks like a painting. Each Autumn, the Colorado Rocky Mountains create a dazzling and colorful display as the Aspens turn a brilliant yellow and glow against the mountains. In addition, their tall, vertical, trunks with white bark create a repetitive pattern under the foliage. Taken south of Leadville, Colorado near Twin Lakes.
White cloud Mountains, Idaho
Cottonwood Lakes with upper lakes frozen and Olancha Peak in distant horizon as seen from the Mount Langley cross-country route in Sequoia National Park.
Fall hiking in Ephraim, Utah on Skyline Drive.
beautiful blackcomb mountains in Canada
Geothermal Hot Springs at Mammoth Hot Springs, Yellowstone National Park, USA
Grand Loop road view, Grand Canyon Of The Yellowstone and Brink of Lower Falls in Yellowstone National Park, Wyoming, USA.
colorful landscape of the midway geyser basin area of yellowstone national park.
Scenic view of Waterton lake with mountain range in background, Waterton Lakes National Park, Alberta, Canada.
Trail 482, Ardeth Lake, Edna Lake Area in the rain and clouds Sawtooth National Forest Idaho June 1986
Checkerboard Mesa in Zion National Park in Utah, USA
Beautiful snowy scenes of Yellowstone in winter
LIttle Lakes Valley in the John Muir Wilderness Area of the Sierra Nevada Mountains in California. Subalpine area. Autumn. Granite mountains  around the valley.
The center of the pool has a vibrant, clear blue color, which gradually fades into lighter shades near the edges. Steam gently rises from the water, adding to the atmosphere of warmth and activity beneath the surface. The surrounding ground is textured with mineral deposits and colors, including orange and yellow hues, which suggest the presence of thermophilic microorganisms. The edges of the pool are rimmed with white mineral formations, creating a stark contrast with the deep blue water.
The namesake yellow coloring of the Grand Canyon of the Yellowstone is evident in Yellowstone National Park.
Yellowstone National Park sits on top of a dormant volcano and is home to more geysers and hot springs than any other place on earth. Wonders abound at this truly unique national park, from sites like the Yellowstone Grand Canyon to wildlife like America's largest buffalo herd, grizzly bears, and wolves.
Banff area lake in summer with morning reflection
Kelso Ridge Torreys Peak Colorado July 1981
Aerial view of Lower Cathedral Lake in Yosemite National Park, California, USA.
14,032ft Mount Langley as seen from slopes of South Fork Cottonwood Creek of Golden Trout Wilderness in Inyo County.
Devil's Slide is an unusual cliff rock formation on the side of Cinnabar Mountain. Gallatin National Forest, Montana. Alternate beds of limestone, sandstone and quartzites eroded at different times.
Cold and snowy scenes of Yellowstone's winter
Rhyolite is a type of extrusive igneous rock characterised by its light color, high silica content, and fine-grained texture. It forms from the rapid cooling of magma on the Earth's surface and is often associated with volcanic eruptions. Rhyolite is rich in silica (SiOâ‚‚), typically containing more than 70% silica. It is composed mainly of quartz and feldspar, with minerals like biotite, hornblende, and pumice often present.
Top of Mount Washburn.
Winter Landscape in the Grand Canyon of Yellowstone National Park
Free Images: "bestof:MountSheridanSEYNP1973.jpg en Mount Sheridan from the southeast Yellowstone National Park 1973 Downloaded from NPS http //www nps gov/features/yell/slidefile/..."
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