Extras

    Video thumbnail: Images of the Past Wind Cave ExplorationPassport

    Images of the Past

    Wind Cave Exploration

    Clip from a 1990 program about early exploration of one of the world's largest caves.

    Wind Cave Exploration

    Video thumbnail: Images of the Past Mount Rushmore Models - 1927-1941

    Images of the Past

    Mount Rushmore Models - 1927-1941

    Sculptor Gutzon Borglum's original design changed greatly during the carving process.

    Mount Rushmore Models - 1927-1941

    Video thumbnail: Images of the Past Black Hills State University - 1913

    Images of the Past

    Black Hills State University - 1913

    Film shot in 1913 of Spearfish Normal School, the forerunner of today's BHSU

    Black Hills State University - 1913