A Testicle Festival is an event held at several small towns in which the featured activity is the consumption of testicles, usually battered and fried. The oldest such festival takes place in Byron, Illinois

Byron, Illinois

Byron is a city in Ogle County, Illinois, United States, probably best known as the location of the Byron Nuclear Generating Station, one of the last nuclear power plants commissioned in the United States. Byron is located in Byron Township, along the Rock River. The population was 3,753 at the...

,, and features turkey testicles. But similar festivals are held in Oakdale, California

Oakdale, California

Oakdale is a city in Stanislaus County, California, United States. It is part of the Modesto Metropolitan Statistical Area. The city was founded in 1871 when the Stockton & Visalia Railroad met the Copperopolis Railroad...

, Huntley, Illinois

Huntley, Illinois

Huntley is a rapidly-growing village in McHenry and Kane Counties, Illinois. In 2008, the U.S. Census Bureau estimated the village's population to be 22,923. As of the 2000 Census, the village had a mere 5,730 people, meaning the village's population has more than tripled in eight years...

, and Missoula, Montana

Missoula, Montana

Missoula is a city located in western Montana and is the county seat of Missoula County. The 2010 Census put the population of Missoula at 66,788 and the population of Missoula County at 109,299. Missoula is the principal city of the Missoula Metropolitan Area...

, some of which feature other types of testicles, such as the Oakdale festival, which features bull

Bull

Bull usually refers to an uncastrated adult male bovine.Bull may also refer to:-Entertainment:* Bull , an original show on the TNT Network* "Bull" , an episode of television series CSI: Crime Scene Investigation...

testicles.