The Colorado River and Grand Canyon. This view shows the entire Paleozoic section from the Cambrian Tapeats Sandstone unconformably overlying the Precambrian Vishnu Schist near the bottom of the view, to the Permian Kaibab Limestone at the upper rim of the canyon.
Mount McKinley shown here covered in clouds with a rainbow. At 20,320 feet Mt. McKinley, part of the Alaska Range, is the highest peak on the North American continent.
Prairie in Badlands National Park of South Dakota. Badlands National Park consists of 244,000 acres of sharply eroded buttes, pinnacles and spires blended with the largest, protected mixed grass prairie in the United States. The park has been shaped by erosion, and is home to many Oligocene fossils.