Decay

I'm a sucker for websites with pictures of decaying and abandoned buildings, factories, hospitals, etc. One of the best is desolate metropolis: excellent photography mainly focusing on the remnants of Detroit.

However, this link is unique. It has images from the abandoned Biosphere 2, the self-contained ecosphere in the southwest that was to be some pseudo-scientific environmental test. It, like the modern environmental climate change movement, has fallen by the wayside and left to entropy and decay. Interesting to see, but not surprising.