Every dollar that passes through your hands might be hiding a secret fortune. That wrinkled George Washington in your wallet ...

Take a dollar bill out of your wallet. How much is it worth? Say "a dollar," and chances are, you're absolutely right. But it's also possible that the humble Washington in your hands is worth much ...

You've probably never given a second thought to the dollar bills sitting in your wallet right now. Most people don't. They're just money, right? Something to grab for coffee or parking meters, and ...