Candlepin bowling does exist outside New England, but not too far.

http://www.geocities.com/wheretobowlcandlepins/bowling.htm

Until I read Archie's post, I always thought duckpins were the same as tenpins. They still exist as well.

http://www.robinsweb.com/duckpin/duckpin-locations.html

For those of you who haven't a clue what candlepins look like, I included the scan below.