Wiki: Mountain railway: http://en.wikipedia.org/wiki/Mountain_railway
Rack railway: http://en.wikipedia.org/wiki/Rack_railway
The Brienz Rothorn Bahn (BRB) is an 800 mm (2 ft 7 1⁄2 in) gauge tourist rack railway in Switzerland, which climbs from Brienz, at the eastern end of Lake Brienz, to the summit of the Brienzer Rothorn mountain.
http://en.wikipedia.org/wiki/Brienz_Rothorn_Bahn
The Vall de NĂºria Rack Railway is a mountain railway line in the Pyrenees mountains in the north of the Catalonia region of Spain.
http://en.wikipedia.org/wiki/Vall_de_N%C3%BAria_Rack_Railway
The Montserrat Rack Railway or Cremallera de Montserrat is a mountain railway line north of Barcelona in Catalonia, Spain.
http://en.wikipedia.org/wiki/Montserrat_Rack_Railway


(Google-Video) (Swiss Mountain Trains) (Denver and Rio Grande Western Railroad USA)