johannacw writes "Would you house a data center in a diamond mine or an old chapel? These organizations did, with great success; many of these facilities offer the latest in cooling and energy technology, among other advances. 'If you want an even more hardened environment for your data, you might look at the aptly named InfoBunker in Boone, Iowa, about an hour outside Des Moines. [...] The 65,000-square-foot, five-story site is dug deep into the ground. No one gets in without passing though the 4.5-ton steel door and then a three-step process. A scanner uses radio frequency to read the would-be entrant's skin as a biometric identifier. He then needs to use a keycard and enter a code on the keypad. This three-tier security is standard for high-level military installations, McGinnis explains.'"