Note: All cited laws are real and currently in effect, and have been verified for authenticity by practicing attorney Nathan Belofsky, Esq., the world's leading authority on strange laws.

• In the State of Colorado, dueling is prohibited.
• In Colorado, weather modification that affects adjoining states requires their approval first.
• In Colorado, it’s illegal for beverage containers to have a detachable tab.
• In Boulder, Colorado, it’s against the law to roll a boulder onto public property.
• In Colorado, it’s illegal to purchase jewelry from a minor.
• In Adams County, Colorado, a masseuse in a massage parlor can’t wear transparent clothing.
• In Boulder, Colorado, it’s illegal to herd pigs in public without prior permission.
• In Aspen, Colorado, throwing a snowball at person or a building is a crime.
• In Colorado, a gallon of ice cream must weigh at least 4½ pounds.
• In Boulder, Colorado, it’s illegal to climb a public building.
• In Colorado, fighting by agreement is a crime.