Devyn Bisson, a 24-year-old internationally acclaimed filmmaker, traveled to Greece in 2015 to document the volunteers who save refugees' lives during the dangerous sea crossings. Her movie premieres this summer.

Does an enigmatic ­European have the secret to ultimate performance? Laird Hamilton and Tim Ferris think so—and research backs them up.

Call it conservation 2.0. Jared Criscuolo and Kristian Gustavson are building a visual database of America’s most imperiled rivers and crowdsourcing their restoration online.

Introducing our 2011 READER OF THE YEAR, Ryan Levinson, an athlete who competes like a champ while fighting a savage form of muscular dystrophy. PLUS: SIX HONORABLE-MENTION HEROES

Alan Horton Alan Horton   Work, kids, 99-cent value meals we know how the fitness excuses can pile up. That's why we've assembled our second annual class of Outside's Fittest (Real) Athletes: five wickedly overscheduled Americans who haven't let hectic careers or a…