Before there were any golden memories at the Museum of South Texas History, there was a dream on the part of citizens in Hidalgo county to take a historical building and use it to tell the story of the Rio Grande Valley. This group eventually settled on the 1910 Hidalgo County Jail and, through hard work and community support, transformed the Jail into the Hidalgo County Historical Museum. This exhibit allows us to look back through these early efforts and the Museum’s fifty-year history since its opening on April 19, 1970. Through the photos of the Museum staff, volunteers, and visitors enjoying the exhibits and programs through fifty years, we can see today how a vision became a reality. MOSTHistory has expanded far beyond the Jail to the surrounding properties and today brings in students from school districts across the Valley on tours, continually produces programs that draw large crowds into its exhibits, and is regarded as one of the finest museums in the country by the American Alliance of Museums. It becomes clear that the founders succeeded in fulfilling their dream perhaps beyond their wildest expectations. What will MOSTHistory look like in the next fifty years? The future is hard to tell but it does help to look back and see how MOSTHistory became what it is today. It all started with a dream…