Continuing the journey through Harley-Davidson motorcycles, the lower level of the Motorcycle Gallery features bikes from the late-1940s to present-day. - Courtesy of Harley-Davidson

A replica of a 1920s board track section tells the story of the Motor Company’s racing heritage. - Courtesy of Harley-Davidson

A chronological procession of motorcycles, the Motorcycle Gallery on the upper level spans the first 45 years of the Motor Company. - Courtesy of Harley-Davidson

The 1969 movie, 'Easy Rider,' starring Peter Fonda and Dennis Hopper features one of the most recognizable motorcycles in history, the 'Captain America' chopper. - Courtesy of Harley-Davidson

As the visitor enters the gallery, what appeared to be a complete 1940s Knucklehead is revealed in its individual components. - Courtesy of Harley-Davidson

A mechanical drawing brought to life, the Exploded Bike exhibit features a 1940s Knucklehead that looks ready for an adventure. - Courtesy of Harley-Davidson

The Museum team pulled from tens of thousands of artifacts and photographs to display in the Museum. This vibrant wall of 1950s posters illustrates some of the creative marketing strategies utilized by Harley-Davidson during the decade. - Courtesy of Harley-Davidson

The Engine Wall features 30 Harley-Davidson engines, highlighting the nearly 100-year history of the V-Twin engine. As Willie G. Davidson puts it, 'The big V-twin is who we are.' - Courtesy of Harley-Davidson