The iconic pyramid with an eye on top of it has been a long-standing source of speculation on the one dollar bill. It's a part of the United States' many traditions steeped in history and lore.

One of the first known appearances of ... theories and illuminati references. It's the same eye you see on the back of a dollar bill, and it's even part of the Great Seal of the United States.

Grab your dollar bill and take a closer look with us. One of the most eye-catching dollar bill symbols is the pyramid, which ...