National Historic Register properties in Conejos county/parish, Colorado

• Costilla Crossing Bridge (Antonito)
• Denver & Rio Grande Railroad San Juan Extension (Boundary Increase) (Antonito)
• Engine No. 463 (Antonito)
• Garcia-Espinosa-Garland Ranch Headquarters (Antonito)
• Palace Hotel (Antonito)
• Rio Grande Engine No. 168 (Antonito)
• S.P.M.D.T.U. Concilio Superior (Antonito)
• Warshauer Mansion (Antonito)
• St. Joseph's Church (Capulin)
• Our Lady of Guadalupe Church (Conejos)
• La Jara Depot (La Jara)
• McIntire Ranch (Sanford)
• Pike's Stockade (Sanford)