A is for Andoria for a little snowboarding.
B is for Berengaria VII to go see the native dragons.
C is for Cardassia. They offer free dental to tourists.
D is for Deneb IV. Both James T. Kirk and Jean-Luc Picard experienced some of its pleasures.
E is for Eminiar 7
F is for Ferenginar, a vacation hotspot for anyone who loves excessive profits and pouring rain
G is for Gamma Hydra 4
H is for Hansen's Planet. But stay away from the indigenous anthropoids. They're very large and like to throw things.
I is for Izar. A pretty snazzy little human colony and a nice place to visit.