Plains High School serves as the park museum/visitor center. Visitors find a restored and furnished classroom, principle's office and auditorium.
The Plains Train Depot contains a self-guided museum with exhibits focusing on the 1976 Presidential Campaign.
The Boyhood Farm was owned by Earl Carter, Jimmy's father, from 1928 until the late 1940s. Jimmy Carter lived here from the age of four until he departed for college. The farm is restored to its appearance before electricity was installed in 1938.