San Diego Automotive Museum in downtown San Diego's Balboa Park fills a 17,000-square-foot single-story exhibition hall on Pan American Plaza with over 75 vehicles and motorcycles spanning more than a century of automotive design. The permanent collection anchors around Louie Mattar's Fabulous $75,000 Car — the modified 1947 Cadillac that still holds the distance endurance record set in 1952, arriving fitted with a washing machine, stove, refrigerator, and shower on the running board — a DIY engineering story that complements the interactive science exhibits at Fleet Science Center across the park. Forty motorcycles dating to the early 1900s include one of the West Coast's largest Indian Motorcycle displays, with rotating four-month themed exhibitions covering everything from lowriders and woodies to supercars and muscle cars across three annual exhibition cycles. A behind-the-scenes volunteer restoration team operates out of a dedicated National City shop, rebuilding donated vehicles for auction, exhibition loans, or permanent collection — a preservation-through-craft approach shared by the volunteer-run layouts at San Diego Model Railroad Museum nearby in Casa de Balboa. The single-floor venue accommodates private receptions for up to 500 guests and seated events for 200, with vehicles cleared to create open floor plans for corporate galas, car-club showcases, and wedding receptions on Pan American Plaza.