Designed to help students think critically about mysteries in ancient history. Includes teacher lesson plans, background information, and student activities.
Examines the ancient stone structure of Stonehenge, built around 3000 B.C. in southern England; and discusses who built it and why, as well as the many mysteries that surround it.
A teacher resource guide designed to help students explore various unexplained events in American history including the lost colony of Roanoke, disappearance of aviator Amelia Earhart, the Kennedy and Lincoln assassination conspiracies, and more.