The Swiss win the award for the most colorful and hardest to reproduce money. In addition to the standard watermark, several holograms are woven into each bill.

Scottish pounds have the same value as English pounds and are perfectly interchangeable - in the UK, at least. Don’t leave Great Britain with a pocket full of Scottish pounds, because nobody in the US will change them into dollars. Consider wallpapering your closet instead.

The French have very colorful currency, but unfortunately the cartoons on certain notes make you wonder whether you’re playing Monopoly.

Austrian currency is almost as boring as the American greenback. Almost.

No, you’re not rich if you get your hands on dos mil Spanish pesetas. In fact, you'll have a hard time picking up your bill at the tapas bar.