Check out this $17.5M massive underground bunker in Georgia

This Tift county, GA 12 bedroom, 12 bathroom house and bunker comes with an exercise room, media room, recreation room and workshop.

It was built in 1969 to withstand a 20 kiloton nuclear explosion and has been renovated to support modern lifestyles.  According to the listing, it rests on 20 or more acres and features three-foot thick walls, decontamination showers and an updated air intake system.

ALL PHOTOS Credited to Harry Norman Realtors