Tours of television (and radio) stations are available by appointment only. Small groups are welcome and the tour usually takes 45 minutes to 1 hour. Call the television station in your area and ask for the promotions manager who will schedule your visit. Public television companies welcome visitors and are designed for public access. All main production areas have windows so that visitors can watch the personnel at work. You will see sets for weekly programs and also a teleprompter. You will also see the control studio where the signal is sent to the transmitter.
Radio stations also offer tours. They have a control studio where on-air personalities work, a newsroom, and a music library. You may be able to put a face to that disc jockey or radio announcer you have been listening to all this time!