Belen Harvey House Museum
104 North First Street, +1 505 861-0581. Tu-Sa 12:30-3:30PM, Su 1-3PM. Once part of the old Harvey House restaurant chain established along the Santa Fe Railway, the building now holds historical artifacts from the region, with many items related to the Fred Harvey Organization and the Santa Fe Railway. There's also a model train layout in the building. If you like watching freight trains, the museum is located on the west side of the Belen Railyard, which sometimes sees nearly 100 trains a day. The museum's porch which is always open offers a shady spot to sit and watch. Free.Belen has a number of historical structures, including the Felipe Chavez House and the Belen Hotel, both of which are on the National Register of Historic Places. The Valencia County Historical Society, based in the Harvey House museum, has further info and some walking tour maps.
P & M Farm Museum
478 Jarales Road, +1 505 861-0581. In the nearby village of Jarales, with hundreds of antique items showing farm life in 1800s and 1900s New Mexico. Small fee.