There's a lot of great pinball machines out there but there's only one that can claim to be the World's Largest. Ok, so these were commercially produced so there's technically several of them out there but we found one and faced the "Hercules":
This particular specimen was found at Pinballz Kingdom in Buda, TX (just south of Austin). The place is full of tons of retro (and newish) pinball and arcade games but this one is the arcade's pride and joy and is positioned right in the center of the action. Here are a couple of closer angles:
A little Googling also led us to this promotional poster: