Well, "cool" is relative. If you think its cool, then its cool.
Lots of lizard possibilities:
Naturalistic vivarium/paludarium with anoles and small frogs
blue-tongued skink
bearded dragon
a pair/trio of Mt horned dragons
plated lizard
cone-headed lizard
legless (glass) lizard
Snakes:
ball python
carpet python
any large colubrid (ratsnakes, gophers/bulls, cribos, giant hognose, etc)