The underground city from the pilot always intriqued me and I built a small section of it including the rotating stone door and alcove for the skeleton. I was able to use blueprints of the original set to build it including one of the pictograph of the giant. At the other end of the set I built a Follow The Leader sarcophagus and mummy. For the pilot, the Quetzalcoatl columns were originally built for the movie Treasure of the Golden Condor. I made mine from plywood and carved the feathered serpent heads from styrofoam. I also built a section of cave since so many of the episodes took place in them. I might have to add some Mr. Nobody diamonds to my cave, one of my favorite episodes.