Cripple Creek was the site of the last and greatest mining boom in Colorado, attracting tens of thousands of people to the western flank of Pikes Peak in the 1890s. After it was destroyed by fire in 1896, the town and surrounding mining district reached…

Built on Imogene Pass during the Western Federation of Miners strike in Telluride in 1903–4, Fort Peabody was a Colorado National Guard post intended to prevent deported union members and activists from returning to Telluride via the pass. Named after…