Iglesia de la Inmaculada Concepción is significant for Hispanic Heritage as the social and religious center for the Chama community. 

The Costilla Estates Development Company, a business organized to sell lands within the Sangre de Cristo Land Grant, built the 32-mile San Luis Valley Southern Railway.

Located along the north bank of the Conejos River, the site marks the spot where, in 1807, Zebulon Pike raised the American flag over what was then Spanish territory.

The McIntire Ranch has the potential to yield information important to our understanding about the layout patterns of ranch complexes.  The site has a high archaeological potential for addressing gender-related research questions. 

The circa 1895 church, which was lengthened in 1911, is one of the oldest extant adobe churches in Conejos County.

Incorporating a wall of the original 1880 church, construction began on this adobe chapel in 1928.

La Jara traces its birth to the arrival of the Denver and Rio Grande Railroad in 1880.  Located on part of the San Juan Extension between Alamosa and Silverton, the 1911 depot served as a shipping point for area ranchers and farmers.

This large 1912 brick and stucco home, with a red tile roof, was built for Fred B. Warshauer, a German immigrant who rose to county prominence in the sheep business.

This circa 1880 church is an important surviving example of vernacular stone construction.  

As the headquarters for La Sociedad Proteccion Mutua de Trabajadores Unidos since 1925, the building represents an important aspect of Hispano history.