China

I just looked back at the photos. While it was an incredible trip, it was also extremely depressing in that much of the consumption and pollution were far worse than I had anticipated.
For a much more informed assessment of the Chinese pollution (and water shortage and authoritarian rule)problems see the the "Choking on Growth" series:
http://www.nytimes.com/interactive/2007/08/26/world/asia/choking_on_growth.html