The Old Montana Prison & Auto Museum Complex offers a unique blend of history and automotive treasures. The museum features a captivating collection of vintage cars dating back to the early years, showcasing the evolution of automotive design. Visitors can explore the prison's rich history, which remained operational until the 1970s, providing a glimpse into the past. The self-guided tours allow visitors to immerse themselves in the museum's extensive exhibits at their own pace. While the museum generally receives positive reviews, some visitors have noted the need for better crowd control and noise management during busier periods. Overall, the Old Montana Prison & Auto Museum Complex is a destination worth visiting for history enthusiasts and car aficionados alike.