You are most likely seeing the box on the map of Georgia and think that that must be the only zoom option. You can click anywhere on the map and it will zoom in. I live in MO and he has the whole state divided up into parts that you can zoom in on but there is only a box around St Louis and Kansas City.
Here's Colorado Springs:
It doesn't zoom in more than that. In case you think that's a fluke, here's Denver:
If I can't zoom in any more than that in the largest city in the state, especially when that map usually displays 1000 caches, then the site is useless to me.
For comparison, here's roughly the center of the Colorado Springs map using just plain 'ol geocaching.com maps:
That makes more since.I use it for rural areas so haven't run into that problem
I would love to see a website that worked with mapquest.com or the like. Where you could type in the from adress and the to address and then a route and geocaches along that route would come up. THat is how I cache. I'm a travling cacher, I guess you could say