Ready for another site that'll suck away half your day. Welcome to HistoricAerials.com, a website that has collected aerial shots of most metropolitan areas in the U.S. Just enter any address and voila! You can go back in time to see what your house/business/general area looked like 10, 20, even 50 years ago. For instance, here's what the new Pegasus News World Headquarters looks like today (okay, in 2004 -- intersection is 635/LBJ and Preston Road):

And here's what the same area looked like in 1958:

Admittedly, some areas have undergone more drastic changes than others, but it's still quite the addictive tool.