The explorer featured in this story appears in Going to Extremes: Cold, which airs on National Geographic Presents II in the U.S. Thursday, May 13, at 8 p.m. ET/PT on the National Geographic Channel.
Going to extremes is a way of life for Nick Middleton. Middleton splits his time between teaching geography at Oxford University and venturing to remote, extreme locations—the hottest, coldest, wettest, and driest places on the planet—to investigate how indigenous people have adapted to harsh environments.