The dollar bill is packed with symbols, each with its own story. George Washington’s portrait is on the front for a reason. The Great Seal on the back has a pyramid and an eagle, full of meaning.

These dollar bill symbols aren’t random gibberish—they ... but current versions have a cloud surrounding the rays. The eagle ...

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. No, not there: It's actually on the other side. Yes, the seal has two sides.