California. Antique Gas & Steam Engine Museum (2040 N Santa Fe Ave, Vista, CA 92083) is a non-profit museum with a live-on-site volunteer program to help with maintenance and security of the 55-acre property within the Guajome Regional Park. Individuals are given a location for a recreational vehicle with full hookups (propane, electric, water, sewer) in exchange for 24 hours of service per week. Summary of essential assignment duties vary and may include grounds and equipment maintenance, sanitation, greeting the public, general cleanup, and other assignments, for full description please email: [email protected]