Sled dogs take guests on a tour at PAWS for Adventure in Fairbanks, Alaska. PHOTO: STATE OF ALASKA/MATT HAGE : A winter wonderland

And they're off ! Sled dogs race at the start of the Iditarod Trail Sled Dog Race in Anchorage, Alaska. PHOTO: REBECCA COOLRIDGE/VISIT ANCHORAGE : A winter wonderland

A cross-country skier traverses slopes on the outskirts of Anchorage, Alaska. PHOTO: JODY OVERSTREET/VISIT ANCHORAGE : A winter wonderland

The aurora borealis seen over Birch Lake, Alaska. PHOTO: ROMAN KROCHUK/ALASKA RAILWAY : A winter wonderland

The ice-blue Portage Glacier wows visitors in south Alaska. PHOTO: VISIT ANCHORAGE : A winter wonderland

The White Rabbit, sculpted by Burr Buddy Rasmussen, Clay Rasmussen and Roland De La Garza is displayed at the World Ice Art Championships in Fairbanks, Alaska. PHOTO: RHONDA KONICKI/ICE ALASKA : A winter wonderland

The Aurora winter train carves a path through the countryside. PHOTO: DAVID BLAZEJEWSKI/ALASKA RAILWAY : A winter wonderland