1. Public nudity is completely allowed.
2. Alcohol and marijuana cannot be sold in the same venue.
3. Laughing gas is legal.
4. You can be a prostitute, as long as you pay taxes.
5. It's prohibited to pee in the canals... unless you're pregnant.
6. You can have sex in the parks, but you just have to wait until it's dark.
7. Going for magic mushrooms? Hold your horses - only truffles are legal!
8. It is illegal to swim in the canals.
But hey, rules are meant to be broken. Never trust The Victorians.