Embark into the unknown in the company of real-life heroes and heroines. Journey with Alexander the Great, and join the pioneers crossing America. Take a trip to the moon, and voyage into the future on a mission to Mars. Find out how these amazing true stories of courage and adventure have shaped our world. See how technological advances have allowed explorers to travel further into the unknown, to dive into the depths of the oceans, and reach out to the frontiers of space.
