U.S. President Barack Obama views Bear Glacier on a boat tour of Kenai Fjords National Park in Seward, Alaska. Obama is on a three day visit to Americas most northern state
Justin Savidis dogs await line-up in the musher lot before the official restart of the Iditarod dog sled race in Willow, Alaska. The nearly 1000-mile Iditarod Trail Sled Dog Race commemorates a 1925 rescue mission that carried diphtheria serum by sled-dog relay to the coastal community of Nome, which remains the final destination in this 42nd edition of the event.
James Sebright / Reuters
British adventurer Sarah Outen arrives in Adak in the Aleutian Islands, September 23, to become the first person to ever row solo from Japan to Alaska, a distance of 3,750 nautical miles.