A Giant Moves On

Interestingly, the oddities in the basement extend far beyond the foundation of the facility. Dig a little deeper, says Sheehan, to uncover another surprise: the California version of Four Corners National Park.

"The cities of Berkeley, Oakland, and Emeryville all converge in one spot, and that intersection is where this facility was built," says Sheehan, who quips: "If there's ever an emergency, I hope the local fire departments don't have problems with jurisdiction."