I think I would visit Iceland, I've heard it's an amazing place.....oh, wait I guess that's not going to work for you is it

DH and I would love to travel New Zealand by motorcycle.
or
The Whiskey Trail in Scotland and then a tour of the great houses in England and a few days at the British Museum in London (thats's more me than him, he says he will wait for me at the pub)
or
A 6 week museum and art gallery trek through Europe.
or
A tall ship cruise through the Caribbean