From a slippery Sierra catwalk to a treacherous Hawaiian paradise, we name the country’s 10 most hazardous hikes. Then we break down the dangers and provide local beta for conquering each route.
Plus: We mapped America’s hot spots for death by lightning, altitude, extreme weather, and more. And for stats junkies, a look at who’s getting rescued in national parks–and why. Read "Diagnosis of Disaster."