Controversial multi-use trail cuts through former nuclear weapons manufacturing facility with history of spills. Boulder ...

Rocky Mountain National Park is home to herds of elk and bighorn sheep, but it also has a population of mountain lions and black bears. Although attacks are very rare, the National Park Service ...

The map also shows a better view of the deep valleys and huge rocky mountains cutting through the ice. It also offers a better view of the height and shape of the ice sheet and the thickness of ...