Trivia: The front and back of the von Trapp house are actually two different houses. Also, the gazebo (which belongs to the house used for the back shots) is across a river from the house. You can take the Sound of Music tour in Salzburg.
Trivia: Geraldine Chaplin, the actress who plays Dr. Zhivago's wife, is the daughter of the silent film actor, Charlie Chaplin. Her maternal grandfather was famed playwright Eugene O'Neill.
Trivia: Robert Shaw's character is based on Kampfgruppe Jochim Peiper of 1st SS Leibstandart Adolph Hitler, Panzer Division. Peiper was a ruthless but extremely effective officer who had learnt his trade in death on the Russian front. Peiper survived the battle and the war and although he was initially sentenced to death for his part in the Malmedy massacre his sentence was commuted. He was killed in France in 1976 when his house was firebombed in a revenge attack.
Trivia: The plane which is shown flying at the end of the movie was actually built and flown for the movie. The stunt pilot Paul Mantz was killed while flying it for the movie, which is why the plane is not shown landing in the movie's final scene.
Trivia: The ship used for the exterior close-up scenes was the Royal Navy frigate HMS Wizard. Some of the crew were used as extras in the film.
Trivia: This particular biblical epic proved to be so expensive to make and did so badly at the box office, the film company went bankrupt.
Trivia: The 'whistling' heard in the background before the opening credits is that of the director Sergio Leone.
Trivia: The film was made in 1965 and Natalie Wood was born in 1938; she was 27 when she made the film, playing a girl that aged from 13 to 17.