Some sights — like Mount Rainier — are in view for long, delicious minutes while others — like the Hulda Klager Lilac Gardens ...

Changri Nup Glacier, one of the hundreds studied by the researchers. Much of it is covered by rocky debris. The peak of Mt. Everest is in the background at left. Photograph courtesy Josh Maurer ...

T here are over 60 national parks in the United States that offer various breathtaking landscapes, including snow-capped ...