This is an interesting link (er.. dated at the top of the page Dec 2009 though??)
The Switchback at Matlock Bath. Hmm.....
I never knew there was one. Was there one? Is this an April 1st joke hoax?
http://www.wirksworth.org.uk/X364.htm
I'm gullible if it is a hoax. I want to believe it.
All this and Joyland linked at the bottom too.
Gary