The largest makerspace on the planet, at least according to its organizers has opened their doors in Columbus Ohio. The makerspace is over 65,000 sq feet in size, and features anything from 3D printing to milling machines, to routers, and more. The membership cost is just $35 per month, plus an hourly rate of between $5 and $35 per hour dependent on the tools which are utilized. More details can be found here about the the location of the new makerspace: $http://3dprint.com/5135/columbus-makerspace/

Here is a quick image from the outside, in Columbus, Ohio: