Category

National Parks

Photo of Yellowstone Falls from Lookout Point, Yellowstone National Park National ParksWyomingYellowstone

Photo of Yellowstone Falls from Lookout Point, Yellowstone National Park

Road Trip: Day 6 Yellowstone Falls marks the point at which the Yellowstone River plunges 308 feet into the Grand Canyon of the Yellowstone. It is a spectacular waterfall, one of the highlights Yellowstone National Park. (Actually, there are two falls, Upper Yellowstone Falls and Lower Yellowstone Falls, within a…
September 16, 2005
Photo of Grand Prismatic Spring, Yellowstone National Park National ParksWyomingYellowstone

Photo of Grand Prismatic Spring, Yellowstone National Park

Road Trip: Day 2 Grand Prismatic Spring in Yellowstone National Park is an enormous and colorful example of thriving thermophilic bacteria. The temperature of the water in Grand Prismatic Spring cools as it moves outward from the spring's center. Different species of thermophilic bacteria occupy different areas of the spring…
September 7, 2005
Photos of Glacial Erratic Boulders in Yosemite National Park CaliforniaLandscapeSierra NevadaYosemite

Photos of Glacial Erratic Boulders in Yosemite National Park

Above the granite walls surrounding Yosemite Valley are found many examples of glacial erratic boulders. These glacial erratics are so named because they are erratic (i.e., differ materially from the naturally occuring stone nearby) and they were deposited by slow-moving glaciers, sometimes after having been moved a considerable distance (e.g.,…
February 26, 2005
Panoramic Photo of Half Dome and Washington Column from Stoneman Meadow, Yosemite Valley CaliforniaLandscapePanoramasSierra NevadaYosemite

Panoramic Photo of Half Dome and Washington Column from Stoneman Meadow, Yosemite Valley

Yosemite Valley offers panoramic views that, in many cases, cannot be effectively captured with a single photograph (a frame of film or a single digital image capture). Stitching photographs together digitally offers a way to produce panoramic images using non-panoramic cameras. Below is an example of this technique, considering Half…
February 25, 2005