Exploring Expedition

In 1804, Meriwether Lewis, William Clark, and their team set out on an exciting yet challenging expedition into the American West. They faced many difficult choices along the way. Now, the choices are yours.

After a long and exalted military career, General Connor Gates thought he was finally ready to retire. He was wrong. When interstellar probes sent to Earth’s star system report back 40 years earlier than expected, the colonists learn that humans somehow survived the cataclysmic events of the past…but so did the enemy.

"A treasure of a book."—David McCullough The harrowing story of a pathbreaking naval expedition that set out to map the entire Pacific Ocean, dwarfing Lewis and Clark with its discoveries, from the New York Times bestselling author of Valiant Ambition and In the Hurricane's Eye. A New York...

The confluence of the Green and Colorado Rivers, now in Canyonlands National Park, near popular tourist destination Moab, still cannot be reached or viewed easily. Much of the surrounding region remained remote and rarely visited for decades after settlement of other parts of the West. The first US government expedition to explore the canyon country and the Four Corners area was led by John Macomb of the army's topographical engineers.