Rackspace's HQ in San Antonio, Texas was an old mall.

https://blog.rackspace.com/get-an-inside-look-at-the-rackspa...

https://www.nytimes.com/2012/10/31/realestate/commercial/rac...

https://www.youtube.com/watch?v=FzXDRBp68W4

Unfortunately, converting that mall has has done nothing for the local area. It's minimal jobs and still a blighted area. birds eye view: https://binged.it/2y6nRsi

crazy guys video, it still mostly looks like this: https://youtu.be/xkHcWDNn_4Q