This bunker is so hardened it can withstand an atomic blast, but it's so eco that it has a tiny built-in ecosystem of artificial sun, waterfalls, and plants. And the best part about this subterranean environment in Sweden is that it's packed with giant, shiny server cabinets throbbing with data. Want to poke around inside? Here's the general layout.

Computers in the mist . . .

That glowing artificial waterfall makes me think I'd be happy to let civilization grow here for a few hundred years while the wasteland outside slowly goes green again.

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This is what the atomic bomb-proof bunker looked like before it became a subterranean data paradise. It actually appears very similar to NORAD, which I visited a few months ago.

The world's most super-designed data center [via Royal Pingdom]

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