Watch on Soap2day. Before its merger with Burlington Northern, the Atchison, Topeka and Santa Fe Railway was one of the largest and most beloved railroads in the United States. Come along for the ride from Chicago to Los Angeles, and travel through Illinois, Iowa, Missouri, Oklahoma, Arizona and more! Explore the colorful locomotives that have captivated many, including the eye-catching "Warbonnet" locomotives painted in red and silver. Finally, enjoy the variety of photo locations showcasing amazing scenery.