Nestled in the heart of Balboa Park, the San Diego Model Railroad Museum is a hidden gem that offers an enchanting journey through meticulously crafted miniature worlds. Spanning over 27,000 square feet, it's the largest museum of its kind in North America, showcasing model railroads that depict California railroads through various eras. Visitors of all ages are captivated by the detailed landscapes, tiny towns, and historical scenes that come alive with the chug of miniature trains.