Redstone Castle, also known as Cleveholm Manor, built in 1897 as the baronial manor of wealthy easterner John Cleveland Osgood and his Swedish wife -- hence Cleve for the owner and "holm," the Swedish word for home), in tiny Redstone in Colorado's Crystal River Valley. Osgood, who in 1900 was the sixth-wealthiest American, was a New York pal of J.P. Morgan and other titans of industry, owned the only steel mill west of the Mississippi River, in Colorado Springs, Colorado. He built Redstone, 230 miles away on the far side of the Rocky Mountains, as a company town for workers at the ovens that produced coke that fed the fires of the steel plant. Its 88 individually-styled European cottages, featured plumbing and electricity -- veritable workers' paradises at the time. A Denver reporter dubbed the town, surrounded by red-sandstone hills, “The Ruby of the Rockies." Cleveholm, Osgood's 42-room summer home and hunting retreat, was constructed of large stone blocks hand-cut and quarried from the towering cliffs just across the Crystal River. Photo by Carol Highsmith.