I have lived in the United States for my entire life. I've never actually been outside the country either. I know people from other countries think it's shocking but when you look at the actual size of the country, there are so many places to go inside the country and it's so large that it's not really that surprising.
And don't let Alaska fool you either, it's never shown actual size. Here it is actual size:
At last count, I'd only visited 23 states. I haven't really done anything on the east coast. Perhaps, I'll have to visit my brother-in-law one of these days and do a historical tour.