Cerny Aerodrome (nr La Ferte Alais)about 40 minutes Southwest of Orly in France.
Lots of WW1 and WW2 stuff, many still flying especially at weekends. There is no ATC there which means you can see some 'tres' interesting airmanship (or is it airpersonship these days)especially after the famous French lunchtime.
They also have an Airshow once a year (end of May early June) with lots of visitors (Spits, Mustangs, B17, Lysander, Flamants etc.)