Dogfish Head Olde School is one of my favorite domestic barley wines.
Victory Old Horizontal is pretty good, and it just got discontinued, so...
Avery Hog Heaven is very good too.
JW Lees makes some good ones, but they are too expensive in my opinion.
Tap: Centennial IPA (SMASH)
Tap: Dogfish Head Ginger Saison
Bottle: Stone 11th Anniversary Black IPA clone
Secondary: Flemish Brown Sour Ale