The 1927 school served as a high school until 1955 and as North Junior High School from 1955 through 1984. 

The 1906 Adams County Courthouse is an excellent local example of the Classical Revival style.  The courthouse exhibits such key elements as a prominent pedimented portico with Tuscan columns, pilasters, and keystones in the window lintels along with a wide frieze and prominent cornice. 

This 1890, brick two-story Queen Anne residence is associated with the early development of Aurora, originally known as Fletcher.

The 1913 M. J. Lavina Robidoux House is architecturally significant as an excellent and well-preserved example of the Craftsman style. 

Opened in 1941, the building is associated with the history of military medicine in the United States and served as a national center for the treatment of tuberculosis in military personnel.  As the largest building in the state at the time of its construction, it quickly became a regional visual landmark. 

The Granville Fuller House is locally significant in the area of Community Planning and Development as it is one of only a few surviving and intact houses of the first commissioned by real estate developer Donald Fletcher in the speculative community of Fletcher, later named Aurora.

Denver Tramway Co. Streetcar #.04 is important for its 39-year association with the Denver & Intermountain Railroad and the Denver Tramway Co. electric streetcar system. 

The 1937 building of stuccoed cinderblock represents the successful culmination of the organizing and fundraising efforts of the Julesburg Woman’s Club to establish a permanent town library and community meeting facility. 

This nationally significant narrow-gauge railroad segment exists as one of only two operating sections of what was once a state wide network of three foot gauge tracks built and operated by the Denver and Rio Grande Railroad.

The 1919 Hippodrome Theatre was Julesburg’s first theater building constructed specifically for the exhibition of motion pictures, and it continues in that use.