Andrew Evans is a contributing editor at National Geographic Traveler & NATIONAL GEOGRAPHIC's "Digital Nomad". He travels every corner of the globe & shares his experience in real time through all available media, including Twitter. In 2009, Evans rode public transportation from National Geographic Headquarters in Washington, DC all the way to Antarctica, tweeting under the handle @Bus2Antarctica. Today, he continues the tradition around the world, interacting with readers and viewers globally. Follow @WheresAndrew & find out where he's off to next.