Completed in 1940, the steel deck arch features steel components from the Minnesota-Moline Power and Implement Company. 

Camp Hale served as the training site for the U.S. Army’s 10th Mountain Division during World War II. 

The site is a multiple-component prehistoric camp and habitation with at least five occupations represented. 

The 1934 Tigiwon Community House is an important example of Franklin D. Roosevelt's New Deal program with the Civilian Conservation Corps and the Forest Service constructing the building as part of the campaign of natural resource enhancement undertaken by the Forest Service during the New Deal era.

The 1933 Notch Mountain Shelter is an important example of Roosevelt's New Deal program with the Civilian Conservation Corps and the Forest Service constructing the building as part of the campaign of natural resource enhancement undertaken by the Forest Service during the New Deal era. 

The more than 40-foot tall wooden structure was originally constructed by local ranchers during the late 1930s.

The 1890 church possesses the characteristics of the Gothic Revival style, a preferred choice among early Colorado settlers, particularly those from Sweden.

The Upper Brush Creek School provided education to children in the Upper Brush Creek area between the years of 1915 and 1941.

The 1933 steel rigid connected Parker through truss structure was constructed over the Eagle River by Denver bridge builders A.S. Horner and C.A. Switzer.

The steel rigid connected Parker through truss structure was constructed over the Colorado River in 1935 by Denver bridge builders A.S. Horner and C.A. Switzer.