Yahill, Menton,
Y'all are correct in suggesting a simpler itinerary. It really will be a hectic scramble to traverse 4 countries in a short period of time. Originally a "backpackers" type concept evolved into a condensed trip covering more geography to get to places that we really wanted to see in case we do not make the trip again. Ido appreciate the suggestions because as a logistical thinking person it just doesn't make sense to spend so much of the time traveling between cities. Not to mention the amount of research needed to make a first trip go smooth with all the additional variables. That said, we knew this when we booked the flights and hotels and will sacrifice a relaxing trip for the ability to see art, architecture, and culture across several regions. At every destination we understand that we will not be able to see everything, nor will we get the "full" cultural immersion since it'll fly right by. Definitely more of a "highlights" tour.
Now I need to research how long some of these atteactions will take to see. I've read alot about the long lines at museums and major attractions. Any suggestions on "skip the line" options, the Louvre? Any other ways to save time?