Harley-Davidson motorcycles are arguably the most recognizable vehicles out on the road, and they are distinctly American. What do you know about its history? What do you know about its bikes? What do you know about hogs?
Launched in 1993 for the company's 90th anniversary and dubbed "The Ride Home," this party prompts Harley owners to ride into Milwaukee from all over the U.S. every five years to celebrate Harley-Davidson. What is the gathering's unofficial title?