13Juneau, Alaska
This is the furthest American frontier you can access, which makes Juneau so exciting and action-packed. Among the tumbling glaciers you can spot a plethora of wildlife creatures such as eagles, spots bears, seals and several other indigenous Arctic wildlife. The best place to see them is Tracy Arm Fjord, which is a waterway encircled by imposing and sharp, jagged cliffs. Dogsledding and hiking on Mendenhall Glacier (13 miles of ice) or go rafting on the popular Mendenhall Lake. Enjoy a tour of Alaska’s often neglected rainforests with a trip to Glacier Gardens.