Immediately after the opening credits is an exterior shot of the office building in which the modeling agency is located. It is actually the Texas Book Depository Building - located at 411 Elm Street on the northwest corner of Elm and North Houston Streets in Dallas, Texas - from which Lee Harvey Oswald shot John F. Kennedy on November 22, 1963.
Mel's calls her dream bathroom Tara, That's the name of Scarlett's home in Gone with the Wind. She then paraphrases it's famous line, "Frankly Scarlett I don't give a damn".