Michelino Sunseri climbed past boulders on his way to a record-breaking feat: The extreme runner reached the summit of Grand Teton, one of the highest mountains in the American West, and then ...
Sidetrack Adventures on MSN
Tracing the Source of a River That Carved the Grand Canyon
High in the Rocky Mountains of Colorado, a trickle of water begins a journey that will carve canyons, feed cities, and shape ...
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