The Twin Spires used to tower as obelisks over historic Churchill Downs. When the latest round of renovations is complete, the centerpiece will serve as one small part of the horse racing coliseum in Louisville.

The infield at the Kentucky Derby is going to get a lot posher as part of new renovation that Churchill Downs is calling “the largest expansion and renovation undertaken in the 150-year history” of the track.

CDI is calling these projects, collectively, the largest expansion and renovation undertaken in the company's 150-year history.

Churchill Downs announces $920M expansion project, which reimagines infield

Churchill Downs Inc. on Wednesday afternoon announced hundreds of millions in capital projects stretched out over multiple years, to "enhance and expand the Kentucky Derby experience." The Louisville-based company projects are,