He hasn't been back to Georgia lately to confirm how different it looks, but yes, he knows it will look nothing like home. Not that home means all that much to him anymore.

"Been around a while." Long enough to have seen the railroad being built in his travels. No time travelling involved, unless you count trudging through the years the slow way around. Although they probably do have at least one or two time travellers in their midst. Doc hasn't found out everything there is to know about everyone just yet.

"What year was it, for you, before you came here?"