ASE was already mentioned but I'll second it. EGE is also nice when it's VMC. Hailey, ID is pretty as well. SMO in a jet is.. interesting with the short runway.

The most attention getting one for me might have been Taos, NM. It's 5800x75 runway at 7800 msl. First time in there in a Citation X got my attention rapidly with a 120 kt ref, nearly 80 degree day putting our ground speed at touchdown somewhere between stupid and max tire groundspeed. Getting out was equally fun. 5000 lb gas and 2 pax put us at max weight to meet the climb gradient.