As an abbreviation for Radio Télévision Luxembourg, it is the name of a chain of radio and television stations that are now majority-owned by Bertelsmann AG, in Germany. This includes the biggest commercial television station in Germany, also named RTL (formerly "RTL plus").
... Kendal[?]
Tullie House Museum, Carlisle
Derby and Derbyshire
Derby Industrial Museum[?]
Derby Museum and Art Gallery[?]
National Trust Museum of ...