There are some rather valuable - and unique - dollar bills out there that are worth a fortune.

The greenback has slumped as investors "Sell America." Several factors explain why the dollar is shedding value.

A bill filed in the Georgia Senate would make gold and silver legal tender, meaning it could be used as currency in the state ...

The "exorbitant privilege" the U.S. has long enjoyed because of the dollar's status as the world's reserve currency would be ...