Scale: HO 1:87. Alaska is one of the world's most exciting destinations to explore by sea and by rail. After enjoying a cruise through the spectacular Inside Passage, passengers can board the Denali Express for breathtaking views of the Alaskan wilderness in special vista-dome cars. The complete and ready-to-run Denali Express train set features bi-level Ultra-Dome dining-lounge cars. Manufactured by the Colorado Railcar Company, these dome cars are among the most luxurious ever built.