Forums of the Megaverse®

Welcome back.

Which game? What sort of campaign? What sort of maps?

Google Earth application
maps.google.com
topozone.com

Then there's the Perry-Castañeda Library Map Collection.

There's some other topics around the boards with maps in them. I'd look those up, too.

You might try AutoREALM, it's free.....I don't know if it's up to your standards, but hey, it's free.