I have heard many conspiracy theories about how the Freemasons secretly run the world. I find this difficult to believe given how unimpressive their lodges look. Here are some samples:
I've seen dental offices that were more inspiring. OK, the grand lodges are nicer, but nothing special. Contrast that with the Vatican or the White House, or any of the buildings of organizations that actually have authority. Powerful organizations generally flaunt themselves.
It could be that the Freemasons really do run the world, and that their dingy lodges are just a ruse to fool people into thinking they're harmless kooks.
Here's what they look like on the inside: