The Museum of Regional History (originally the Texarkana Historical Museum) is a local history museum in Texarkana, Texas. It is the first and oldest museum in the Texarkana metropolitan area; it was established in 1971. It is located in the Offenhauser Insurance Building, which was built in 1879, making it the oldest brick building in the city. The museum is compliant with the Americans with Disabilities Act. It is also both a Recorded Texas Historic Landmark and on the National Register of Historic Places.