A Charles Schreyvogel oil, Disneyland elevations and Brooke Shields’ Mackie gown. One is $75,000!

Travel to Palm Springs with ROADSHOW, featuring Charles Schreyvogel’s oil A Lone Horse, ca. 1900, Disneyland hand-colored architectural elevations, ca. 1954, and a 1982 Bob Mackie beaded gown, made for Brooke Shields. Which is valued at $75,000?