We'd like to go somewhere fun with our teenaged boys this summer for a week over July 4th. Would prefer a destination outside of the US that can be a "learning vacation"-either sites of historical interest or scenery very different from the Southeastern US. I'm having trouble finding anywhere that we can get flights for the 4 of us from ATL or CLT for less than $5000-$6000. Any ideas of places we can go (we are open to anything safe) where we can possibly get airfares lower than that this summer from ATL or CLT? We've been to London, Madrid, Beijing, Singapore, Paris, Rome, Florence, Venice and Mexico in the last few years so don't want to repeat those. Other than those, we're open to anything safe, anywhere- just having a hard time coming up with cheap flights. Any ideas?