Located in Baltimore, MD, the Mount Clare Roundhouse is the birthplace of American railroading. Features exhibits of historical engines, cars, and railroad life.

This list of railroads no longer operating provides access to photographs, rosters, and other information about these railroads.

An interactive site for all UK railway modellers, historians and enthusiasts.

This society publishes a magazine, offers models and materials about the IC Railroad through the years, and provides photographs of equipment used by the IC in the various names under which the railroad operated.

Non-profit educational organization formed in 1982 for the purpose of collecting, organizing, preserving, and sharing information and related material. Includes membership details, events, images and a company store. Located in Louisville, Kentucky, United States.

This site provides information about the history of the PRR, access to technical information, archives, equipment diagrams, and other helpful material for persons interested in the PRR.

Provides details about the Soo Line and its predecessors. Includes information for modelers about available models, decals, and historical detail.

The site provides chronological links, photographical connections, equipment information, and links to museums.