Famous Durango and Silverton narrow guage steam railroad. Ride from Durango through the mountains of Colorado to Silverton, Co. Durango & Silverton
Orange Empire is a large museum in Perris, CA. Many exhibits and operating train rides.
Orange Empire Railway Museum
Western America Railroad Museum in Barstow, CA. Indoor and outdoor exhibits. No train ride.
Cumbres & Toltec Scenic Railroad. Narrow gauge steam railroad from Chama, NM to Antonito, CO.
Heber Valley Railroad, near Salt Lake City offers train rides through the Heber Valley.
Nevada State Railroad Museum in Carson City, NV
NSRM Carson City
Nevada Northern Railway - The Ghost Train of Old Ely
Moving the New Nation by Rail http://www.myguysmoving.com/article-moving-nation-by-rail
Western Pacific RR Museum in Portola, CA.