Ok, I'm still arching, researching, and debating and I need help. I'm traveling with my family of 4 (wife, me, sons 16 & 8). 1. Landing in Barcelona, I'm thinking a taxi to the hotel will be the best, easiest, and somewhat economical way to go to the hotel. Is that the best thing in your opinion? 2. Leaving the port, to the airport, my plane leaves at 1 pmish. Should I take another taxi? 3. Rome! Been there a dozen times and very familiar with it but.... A. I'm having trouble finding a link that gets me to the tickets for the UNDERGROUND Colosseum tour. Help, help, help. B. Has anyone done it, and if so, is it worth it? C. Is getting the train there the best option? Is there a private pick up and drop off deal that works better but won' break the bank? 4. Villefranche. A. Are there any awesome kid friendly things to do? B. is it possible to do Monaco, Eze, and Nice in one go? 5. Any "must do's" that get overlooked. Thanks guys and gals! I am grateful for you time and wisdom (sarcasm is also welcome)!