Balboa Park (San Diego) failed and is scheduled for completion in 2019. El Prado, a long, wide promenade and boulevard, runs through the park's center. Most of the buildings lining this street are in the Spanish Colonial Revival architecture style, a richly ornamented mixture of European Spanish architecture and the Spanish Colonial architecture of New Spain-Mexico. Along this boulevard are many of the park's museums and cultural attractions, including the San Diego Museum of Man, the San Diego Museum of Art, the Museum of Photographic Arts, the San Diego Art Institute, the San Diego Model Railroad Museum, the San Diego Natural History Museum, the
San Diego Model Railroad Museum San Diego Model Railroad Museum The San Diego Model Railroad Museum is a model railroad exhibit in San Diego, California. At 27,000 sq. ft., it is the largest such indoor exhibit in North America, and one of the largest in the world. The museum is on the lower level of the Casa de Balboa Building on the Prado in Balboa Park. The museum is open Tuesday through Friday 10 AM - 4 PM, Saturday & Sunday 11 AM - 5 PM and is closed on Mondays. Nearly three million people have passed through the center since it opened in 1982.