A long time ago--way back in the 80s--there was a marvelous tabletop wargame called BattleTech. It was followed by a paper-and-pencil role-playing game called MechWarrior, which I played. That franchise now lives on in a series of highly successful computer games called MechWarrior.
The details that I can assemble are sketchy, but I gather that Jim Martin, a NASA scientist in Alabama, built this treehouse for his kids. It's modeled on the Mad Cat, a 75-ton mech of Clan origin. It is marked with the logo of ComStar, an organization modeled on the medieval Catholic Church.
-via Bored Panda