Although this tall structure in the tiny Colorado mountain town of Marble looks like a forest-fire watchtower, it is instead a replica of a tall bell tower that stood as part of the town's fire-alarm system from 1912 to 1977 Physical description:. Notes: Purc

Observation tower (and once likely a playhouse) outside Redstone Castle, also known as Cleveholm Manor, built in 1897 as the baronial manor of wealthy easterner John Cleveland Osgood and his Swedish wife in tiny Redstone in Colorado's Crystal River Valley Physical description

One of several Colorado Outward Bound School cabins and administration buildings, deep in the woods high above the town of Marble in Gunnison County, Colorado Physical description:. Notes: Here, the first Outward Bound course in America, modeled after that at

The "fire protection" station in Crested Butte, a town heavily populated during ski season located high in the Rocky Mountains in Gunnison County, Colorado Physical description:. Notes: Purchase; Carol M. Highsmith Photography, Inc.; 2015; (DLC/PP-2015:068).

The 1892 powerhouse above the Crystal River in what is now the virtual ghost town (except for a handful of summer-only residents) of Crystal in Gunnison County, Colorado Physical description:. Notes: Often called the Crystal "mill," the building, atop a high

Cabin in Crystal, Colorado, a virtual ghost town in a valley on the upper Crystal River in Gunnison County, on a precipitous, a four-wheel-drive-only road between Marble and Crested Butte Physical description:. Notes: Purchase; Carol M. Highsmith Photography

Crystal Mill, an 1892 wooden powerhouse located on an outcrop above the Crystal River in what remains of an old mining town, Crystal, high in the Rocky Mountains in Gunnison County, Colorado Physical description:. Notes: Purchase; Carol M. Highsmith Photograp

High Rocky Mountain View along an alpine road above the town of Marble, and below what is now (except for a handful of summer residents) the old mining ghost town of Crystal in Gunnison County, Colorado Physical description:. Notes: Purchase; Carol M. Highsmi

The Maroon Bells, reflecting into Maroon Lake, just outside Aspen, considered one of the, if not the most-coveted photographic spot in Colorado Physical description:. Notes: Purchase; Carol M. Highsmith Photography, Inc.; 2015; (DLC/PP-2015:068).; Forms part