The Lamar River, a tributary of the Yellowstone River, reflects the sunny blue sky as it meanders along a floodplain in the Yellowstone National Park, Wyoming, USA. Bison graze and find ample feed on these sagebrush grasslands.
Appropriately named, Artists' Point in Yellowstone National Park, Wyoming, USA provides awe inspiring views of the iconic Yellowstone Falls.
The clear waters of the Merced River run under a road bridge in the Yosemite National Park, California, USA. The late afternoon sun filters through nearby trees and brightens the rocky river bottom with patchworks of light and shadows.
The setting sun lights up tree tops and shear granite cliff walls along the banks of the Merced River in Yellowstone National Park, California, USA.
The Snake River winds across the plains below the iconic Mount Moran, (12,605 feet = 3,842 m). Mount Moran, named after the western artist Thomas Moran, lies at the northern end of the Teton Ranges in the Grand Teton National Park, Wyoming, USA.
A rock shelf creats rough water and a rapid that disturbs the otherwise calm flow of the Yellowstone River as it enters the Hayden Valley in Yellowstone National Park, Wyoming, USA. A pine log, finds itself snagged on a rock outcrop during a period of high water flow, finds itself stranded on a rock in the mid-stream.
Crystal clear snow melt waters collect in Lake Bob, a tarn lake formed in the ancient glacial moraine and scree rocks on the east side of the USA continental divide near Rollins Pass, Colorado.
Reaching across the River Aare, "The Untertorbrücke" is the oldest bridge in Bern, Switzerland. Completed in 1489, this granite clad, sandstone core structure replaced an earlier wooden bridge that served from 1256. In the background is "The Nydeggbrücke", (1840), featuring the widest stone arch in Europe. Part of the famous Bern Bear Park can be seen through this span.
Runoff waters from recent rains in Colorado's Rocky Mountain National Park, cascade over a rocky ledge at Granite Pass. Grasses, burned by recent frosts, turn brown as shrubs begin to brighten with their autumn colors. Towards the west, the rugard skyline of the USA's continental divide rises above the valley floor.
The waters of Pine Creek cut through a high mountain meadow below the scree slopes of Cathedral Peak in the Maroon Bells -Snowmass Wilderness Area near Aspen, Colorado, USA. The cooler autumn weather has turned the alpine willow shrubs and grasses a golden yellow.
Children enjoying an outing in the great outdoors, swim across the Aire River in Victoria, Australia on a fine summer afternoon.
Children play in the water of a fresh water creek that flows across Shelley Beach on the Otway Coast, Victoria, Australia on a chilly, cloudy day.
On this fine autumn afternoon, the iconic Eiffel Tower casts its long shadow over the Seine River in Paris, France.
A clear mountain stream cascades over a rocky shoreline and flows into Brainard Lake in the Indian Peaks Wilderness, Colorado, USA. Pine and Aspen forests line the lake and are reflected in the calm waters. Weathered timbers of fallen trees that have been washed down the creek, litter the scene.
After plunging over 600 feet, (186m), spring snowmelt waters atomize as they pound the rocks below. The afternoon sun is refracted by the mist, forming a fascinating rainbow at the base of the falls.
Spring runoff water tumbles over the sheer cliff walls of Zion Canyon, Utah, USA, falling into the north fork of the Virgin River below.
The atomized waters and mist at the base of the Upper Yosemite Falls reform in the mid-fall gorge before they plummet once again, over the lip of Lower Yosemite Falls into the Merced River below.
After dropping over the Upper Falls, Yosemite Creek pauses briefly in a lush, vegetated gorge before launching over the lip of the Lower Yosemite Falls as it flows on its way to the Merced River below.
The fresh spring melt runoff waters of Yosemite Creek tumble over the Upper Yosemite Falls into the Merced River below. Large pine trees growing on a nearby ridge are dwarfed by the impressive glacier carved cliffs of Yosemite Valley, California, USA
Diffuse sun rays pierce heavy mists that are formed by the Lower Yosemite Falls. They light up Yosemite Creek as it's waters flow rapidly through tall pine forests towards the Merced River in the Yosemite National Park, California, USA.
Before crossing the Wind River in Wyoming, USA, a young mule deer takes a cautious glance upstream toward an unaware fly-fisherman who is enjoying a late afternoon outing.
The afternoon sun lights a hardy ponderosa pine tree in the Yosemite National Park while a waterfall on Fireplace Creek, full with springtime snow-melt waters, thunders into the Merced River valley below.