One of the more interesting ones I've had recently is Salut, at Old Bisbee Brewing. It is a recreation of a 1880s brew developed in France during a champagne shortage.
...it is common knowledge that the upper third, centered in Flagstaff, is Alta Arizona; the lower third, centered in Tucson, is Baja Arizona; and the middle third, centered in Phoenix, is Caca Arizona. Simple as ABC...
http://www.bandersnatch.com/bajaz.htm
http://www.bandersnatch.com/bajaz.htm