If there's one problem with nude beaches, it's that you can't control who actually takes off their clothes. Also, sand gets everywhere. Even so, they're still better.
America's nude beaches are great, but Europe's in a completely different league when it comes to shoreline skinny-dipping.
From big-city bays to secluded shores, there are hundreds of beaches where you can legally frolic while naked. If you're so inclined, strip off.