Yeah, it's kind of a pissing contest in the top ten. I saw another list with us one below Canada and I assumed it was probably our (now useless, decades long) tiff with Cuba that put them ahead. Several of the places on my bucket list are on the difficult list for USA, but I also don't really feel safe enough to travel there, nor do I expect them to become (politically) friendly in my traveling lifetime. It's okay, though - I probably don't have enough money to see everywhere I'd like to go anyway.