Another dream is to take this
http://www.seascanner.com/reise.php?reise=41468
When I have reached the destination
I rent one of these
http://www.gowinnebago.com/products/2012/tour/
and take a month tour around the states.
You've got it right, the only way for me to reach USA is by boat-I'm petrified when it comes to flying.
Markus