Examines the legend of the lost civilization of Atlantis and various theories that seek to explain it.

Discusses the phenomenon of unidentified flying objects, including notable sightings throughout history and possible explanations for them.

Discusses the Bermuda Triangle, an area of the Atlantic Ocean where numerous ships and airplanes have mysteriously disappeared, and examines various efforts to identify this phenomena and discover its causes.

This book examines the question of life on other planets, and its scientific exploration in the space program and more.

Examines the disappearance of the dinosaurs and the various theories that exist to explain it.