Rocky Mountains

The country's most visited parks include the Everglades in Florida, Yosemite in California and Colorado's Rocky Mountains.

If he fixes the Rockies, he will have achieved something loftier than the Rocky Mountains themselves—and become the envy of his peers forever.

The Colorado River provides water to about 35 million people in cities from Denver to San Diego, 30 Native tribes and farming communities from the Rocky Mountains to northern Mexico.

The low-rise but sprawling building sits in the foothills of the Rocky Mountains in Colorado.

The team sampled soils from six Kansas locations, spanning the wetter eastern region to the higher, drier High Plains in the west, which receive less rain because of the Rocky Mountains' rain shadow.