Royal Crown Cola - the Cadillac of colas.
http://www.dpsu.com/rc.html
Since its launch in 1905, RC Cola has been a soft drink that embodies individuality and entrepreneurial spirit. RC's crisp, clean taste distinguishes it from other colas, and has become a favorite of cola drinkers throughout America.
A site that reviews beverages:
http://www.bevnet.com/reviews/
I also like Birch Beers (hard to find in Canada):
http://www.journeyfood.com/products/birchbeer.cfm
In Peru I had Inca Cola (tastes like bubble gum):
http://www.galcos.com/products/detail.cfm?link=269