Tim Cahill sleeps with grizzly bears. He also treks with llamas, inches his way through the deepest cave in America, and assesses the cuteness quotient of giant

Tim Cahill reports on the road trip to end all road trips: a journey that took him from Tierra del Fuego to Prudhoe Bay, Alaska, in a record-breaking twenty thr

Tim Cahill brings 'em back alive. Not only has he survived fantastic journeys through the Himalayan rapids, the Grand Terror of Montana, and Dian Fossey's forbi

"Wanna stand in the face of a charging elephant, get hit by a motorcycle, eat giant water bugs, blowtorch your mouth on some of the hottest chili peppers on ear

At the age of twenty-six, Maarten Troost—who had been pushing the snooze button on the alarm clock of life by racking up useless graduate degrees and muddling