America's national parks are overwhelming in every way—in number, in size, in their capacity to inspire wonder. And the question remains: Which one will you see next? For the following introduction to, and celebration of, the nation's greatest natural treasures, we've chosen just 10 of the 58 parks. There’s a lot of exploring to do.
Glacier National Park
Mountain ranges, over 130 lakes, and 26 glaciers—what's left of 100 or more.
Size 1,584 square miles.
Best View Six-mile Grinnell Glacier Trail ends at a glacier and lake.
The Easy Way, Car The 50-mile Going-to-the-Sun Road, a feat of 1920s engineering, crosses the Continental Divide and traces craggy cliffs.
The Easy Way, Foot The 2.5-mile St. Mary Falls trail reaches two cascades.
The Hard Way Try rigorous nine-mile Siyeh Pass.
Creature Feature Cougars and lynx and grizzly bears—oh my!
P.S. Waterton Lakes National Park is Canada's adjacent twin.
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