The U.S. currency might be a classic, but few would consider the simple green beautiful. At least, not compared to other bills across the globe. All of the currencies included on this list are worthy of a frame and prime wall space.
While debit and credit cards do make traveling easier—more protection from pick-pocketing or muggings, plus there are no calculations to determine how much cash you'll actually need—but there's something a bit sad about travelers missing out on the most beautiful banknotes. So go forth: explore the global currencies of past and present and start gathering that money collection—we’re talking about that “vacation” piggy bank.