By Maureen O’Hare, CNN (CNN) — In our roundup of travel news and features this week, the real-life filming locations for “The Godfather” and “The White Lotus,” audacious underground mega tunnels in Europe, plus a big overhaul on the way for US air traffic control. An offer they couldn’t refuse When the cast and crew of Francis Ford Coppola’s seminal 1972 film “The Godfather” descended on Savoca, Sicily, more than 50 years ago, it was a tiny vill…