The Arboretum was used to film a few scenes in the movie.

The African Queen (film)

The African Queen is a 1951 adventure film adapted from the 1935 novel of the same name by C. S. Forester. The film was directed by John Huston and produced by Sam Spiegel^[4] and John Woolf. The screenplay was adapted by James Agee, John Huston, John Collier and Peter Viertel. It was photographed in Technicolor by Jack Cardiff and had a music score by Allan Gray. The film stars Humphrey Bogart (who won the Academy Award for Best Actor – his only Oscar), and Katharine Hepburn with Robert Morley, Peter Bull, Walter Gotell, Richard Marner and Theodore Bikel.^[5]

• http://en.wikipedia.org/wiki/The African Queen (film)
• Gordon, W. A., 2002, The Ultimate Hollywood Tour Book, North Ridge Books, Lake Forest, CA, 272 p.