A narrow gage HO scale laayout.
David Stewart's now historic "prototype free-lanced" 2-rail O-scale Appalachian coal hauling railroad (in Greeley).
An amazing Marklin layout and a massive collection of Marklin toys located in southeast Germany, opened only in 2015, funded by Porsche and based on his collection
One of the layout wonders of the world, located in Hamburg, Germany, in a historic warehouse.
Bill Rogers' Southern Pacific layout inspired by Southern Pacific's Cascade line.