Constructed circa 1900, this wood frame rural schoolhouse, with a T-shaped plan, is now a residence.

The circa 1900 Fox Stone Barn is a good example of a method of construction once common in the foothills area of Boulder County.  

The 60-foot long single span concrete rigid frame structure crosses North St. Vrain Creek at the southern edge of Lyons. 

Built in 1933, the shelter’s design is typical of WPA construction. 

The buildings are associated with the settlement of Boulder County.  The buildings are the product of the local sandstone industry.

Longmont contractor Mark Boyd built the depot in 1885 utilizing native Lyons sandstone.  Used first by the narrow gauge Denver, Utah and Pacific Railroad, the depot served passengers and freight until declining traffic brought its closure in the 1940s. 

Constructed in 1906, the house is an example of an ornamental concrete block residence.  Its Queen Anne detailing is an unusual expression for concrete block construction and for Costilla County.

Established in 1851, San Luis is the oldest continuously inhabited town in Colorado.

The 1911 power plant is located along the St. Vrain River just northeast of the town of Lyons.  

Built in 1894, the church is one of the oldest unaltered buildings in Lyons.