8 Explorers Who Mysteriously Disappeared (and Some Who’ve Been Found)

(via mental_floss)  By their very nature, explorers often push the boundaries of survival in the name of glory, so it’s not a great surprise that many have gone missing in the course of their adventures. Over the years, the quest to uncover the truth of what happened to them has captivated the public, historians, and journalists alike, leading to numerous theories and some surprising finds.