Natural Tunnel is a massive naturally formed limestone cave located in the Natural Tunnel State Park near Duffield, Virginia. The 850 foot long, 80 foot tall and up to 200 foot wide tunnel was car... (more)
Cogwheel railcars Bhe 1/2 # 26 and # 21 of the Pilatusbahnen, both built in 1937, are following each other on sight distance through the Eselwand, running as part of train CC 17 from Alpnachstad t... (more)
Brand new cogwheel railcar Bhe 2/2 # 41 of the Pilatus-Bahnen, the world's steepest rack railway with up to 48.0 %, running down through the Eselwand between the 50 meter long Eselwand tunnel and ... (more)