The Greatest Shows on Earth: County Fairs, Carnivals, and CircusesAh, August. Here at HeinOnline headquarters, located in Great Lake-side Erie County, NY, we’re soaking up summer before the leaves start changing and the snow starts falling (and falling, and falling, and falling…). Discerning residents of Erie County know August is the superior summer month, for every year it brings the ultimate, unbeatable, uncontested best twelve days of summer: the Erie County Fair.