All aboard! You are invited to enjoy railroad artifacts on the second and fourth Saturdays of each month at the Santa Maria Valley Railway Historical Museum. A locomotive, boxcar, caboose, diorama and other railroad artifacts are just some of the things to see at the Santa Maria Valley Railway Historical Museum, which is open on the second and fourth Saturdays of the month from noon to 4 p.m. The museum tells the tale of railroading through interpretive exhibits, displays and the operation of vintage rolling stock. Located at 500 E. Boone on the corner of Boone and Miller streets, the museum has docents on site to offer information and history related to the various displays.