National Railroad Museum

One ⁠‌‌‌‌​​‌‌‌​​‌‌‌​​​​​​​​​​‌​‌​‌‌‌​⁠of the country's larger railroad museums, on the Fox River just south of downtown, with locomotives including a Union Pacific Big Boy and Eisenhower's WWII command train. Seasonal events include The Polar Express train ride and a Festival of Trees.