• Population: 6,800

Since the 1993 movie starring Bill Murray, everyone knows the official Groundhog Day celebration takes place in Punxsutawney. But the town's Gobbler's Knob has been the site of rodent prognostication since 1887. Punxsutawney officials say Phil is the only true weather-forecasting groundhog, and as many as 30,000 visit each year to see whether Phil will see his shadow and we'll be stuck with six more weeks of winter.