Located in northwest Montana, Glacier National Park is known for its spectacularly scenic Going-to-the-Sun Road and abundant wildlife including mountain goats, grizzly bears, and bighorn sheep. Readers will discover the history and geology of this Rocky Mountain region that shares an ecosystem with Waterton Lakes National Park in Canada. Author David Aretha includes details about the modern-day threat to the glaciers that give the park its name, and fun activities for visitors.