When I was growing up, my family and I went to Canada one summer. That is one beautiful country, with all of its mountains, greenery, and waterfalls. Once, my music teacher and I took a trip to Princeton, NJ, because of a music conference we attended. Coming back home, we traveled through most of the southern states, so we saw a good portion of the northern, eastern and southern part of the country.
The three other countries I would enjoy seeing, would be Ireland, Switzerland, and Australia.