Twenty-five Big Boy locomotives were built for Union Pacific ... Big Boy No. 4005 is on display at the Forney Museum of Transportation in Denver. Big Boy No. 4004 is on display at Holliday ...
Twenty-five Big Boy locomotives were built for Union Pacific ... Big Boy No. 4005 is on display at the Forney Museum of ...
The Forney Museum of Transportation is an often-overlooked Denver attraction, featuring one of the world's largest locomotives, early electric-car prototypes and other eccentric vehicles.