Grand Teton National Park, Jackson, WY

Slacklining Graffiti Pier in Philadelphia

Kate Westbrook climbing at Ralph Stover State Park, Doylestown, PA

Katie Johnson Boulders in Joshua Tree National Park, CA

Backcountry hiking in Joshua Tree National Park, CA

A 20-lb kid and 42-lb Salmon

Katie Johnson Boulders in Joshua Tree National Park, CA

Horseshoe Canyon and Grand Teton National Park, Teton Valley, ID

Acroyoga on Sentinel Dome, Yosemite National Park, California, USA

Chris Beegle climbing in Ralph Stover State Park, Doylestown, PA

Slacklining Graffiti Pier in Philadelphia

The 24 Hours of Moab mountain bike race and La Sal Mountains

Tico Betancourt climbing in Ralph Stover State Park, Doylestown, PA

Horseshoe Canyon and the Big Hole Mountains, Teton Valley, ID

Chris Beegle running on the D&R Trail, Lawrence Township, NJ

The Bilenky Junkyard Cyclocross Race

Katie Johnson Boulders in Joshua Tree National Park, CA

Ray Louder at the Philly Pumptrack

Climbing Mount Lemmon in Tucson, AZ

Stephanie Kane practices yoga at Brartam's Garden in Philadelphia

Slacklining Graffiti Pier in Philadelphia

Mira Adornetto climbs a bridge in Philadelphia

Slacklining Graffiti Pier in Philadelphia

Heidi Karl runs along the Cynwyd Trail in Manayunk, PA