Hike, bike, or snowshoe this 3.1-mile loop to pioneer ruins and a relaxing waterfall in Patapsco State Park, a short drive from downtown.

Breathe easy on this hilly 6.8-mile out-and-back to the calm banks of the Upper Loch Raven Reservoir, a beautiful waterscape just north of the city.

Revisit the early shipping days of the Potomac Valley on a 5.6-mile circuit of this 155-year-old route. Along the way, marvel at the East's steepest, most spectacular fall-line rapid.

Hike or bike 11.6 out-and-back miles on an old mule path to views of the Potomac and historical relics. A flat profile makes this trip suitable for young hikers.

This 10-mile loop in Hall Ranch begins with a stiff, sometimes technical, climb then speeds into rolling forestland and endless grassy meadows to an old ranch in the shadow of Longs Peak.

Ride some of western Colorado‰Ûªs finest singletrack with tight turns, long descents, and stunning red sandstone on this 7.4-mile heart-pounder.

Escape on a 5-mile loop through Catoctin Mountain Park, where healthy hardwoods, unique fungi, and a host of fauna conceal this area's industrial past.

March 4.2 miles back in time to July 21, 1861, where General Stonewall Jackson led an epic battle on this ground at Manassas National Battlefield Park.

Centuries-old settler ruins and fabulous forest overlooks make this quiet 4.7-mile loop one of the best dayhikes within an hour's drive of downtown D.C.

In just a weekend, you can travel from wooded ridges to gentle peaks to quiet hollows on this 16.5-mile lasso in George Washington National Forest.