Alaska tugs at the adventurous heart. These tweets recount affection for the U.S.'s 49th state.

"In a Winnebago traveling from Ohio to Alaska. My brave dad ... he ferried 12-year-old me, three sisters and my mom. 'Alaska Or Bust' taped on the side." -- @Heatherdugan on Twitter

"On Alaska/Canadian highway in minibus -- for the third time..." -- @Torrie_Lee on Twitter