One of my favorite blogs is Shorpy: The 100-year Photo Blog, which as you might guess shows rare pictures from the last century of our history -- fascinating pictures. I'm mostly interested in stuff from the 1920's because that's an era I'm obsessed with, but I can always find something there of interest. Here's a shot of Charleston SC's King Street in 1915:
Doesn't look all that different today. Not quite as many Model T's maybe, and they did pave over those railroad tracks that ran down the middle of the road -- How did that work anyway? having a train drive down the middle of your busiest street?