Established in 1863 as an important US Army post and ordered to protect the area of newly discovered gold in central Arizona, Fort Whipple became a key post during the Indian Wars. Photographs and text present the transition of this National Register of Historic Places landmark, including its people, events, and buildings.

It was named in honor of Brig. Gen. Amiel Weeks Whipple, military officer and topographical engineer. Protecting Prescott, the first capital of the Arizona Territory, the post served many roles, from a military headquarters to a large tuberculosis treatment facility to today's medical center complex serving veterans.