Need Advice on What to Get

I was recently given a custom built terrarium that's almost 6' tall with a base just a little smaller that 2'x4' and I want to get some kind of lizard to put in it. It should obviously be something at least semi-arboreal, but most arboreal lizards I've looked into require relatively high humidity and the terrarium wasn't really built in a way which retains high humidity levels.

So, I'm looking for a species that's arboreal, does fine in relatively low humidity, and hopefully would not out grow the terrarium. Any recommendations would be greatly appreciated. Thank you.

Hi Caleb....I would suggest a bearded dragon, they actually love to climb, and you wouldn't need to use all the 6 feet of vertical space if you didn't want to. I imagine that the light fixtures are built into the top, if not then you could hang whatever fixtures you need inside, including a mercury vapor UVB bulb that would require a certain distance between it and the lizard. You could build quite a " palace " with faux rock wall, etc. A large piece of driftwood or several small pieces can make for an attractive set up. Of course, I'm partial to beardies, but I think it would be a good choice for a semi arboreal lizard with a low humidity requirement.