How one 48-year-old finally conquered Yosemite's most legendary trail and discovered his limits were never where he thought they were.

From unexpected sunsets to hard-earned summits, the parks have a way of changing you when you least expect it.

Along the southern shore of Lake Michigan, Indiana Dunes National Park blends towering sand dunes, forest trails and quiet beaches into a national park experience that feels far removed from the everyday Midwest.