We have featured Coral Castle here before and there have been many fascinating documentaries on Coral Castle. This time, it is the guys from “Stuff They Don’t Want You to Know”. After being jilted a day before his wedding and narrowly surviving tuberculosis, Latvian immigrant Edward Leedskalnin spent almost 30 years building Coral Castle out of huge blocks of stone. But how did he make it, and why wouldn’t he allow anyone to watch him at work?