My friend and I are leaving in early May for a month long trip around europe. I have posted our plan below and any help would be greatly appreciated. We are also interested in seeing some of the smaller cities as oppose to the larger cities, however you only hear people reference the larger ones so any suggestions on the smaller places to go would be great. We plan on pretty much taking a plane from country to country and then trains from city to city, but any transportation advice would also be appreciated! Thanks!

Week One: England
Fly into London
Bath
Stratford

Week Two: Italy
Venice
Tuscany
Florence
Rome
Pompeii

Week Three: Greece
Athens?
Naxos
Paros

Week Four: ?
These last seven days are kinda up for grabs. If there are places we have already listed that need more time they can be used for that (SUGGESTIONS FOR THESE DAYS WOULD BE GREAT!) but the last two days or so right now we have going to dublin and then back to london where we fly home. However, instead of Dublin maybe Amsterdam for a day or two?

That is sort of the rough draft, about a month long trip, $3000ish. Any advice or suggestions would be greatly appreciated