[Calvin Locke]

Interesting, but lacks the cachet of a cog railway...

...but probably safer and more comfortable.

[mazda77]

The cog train at the Zugespitze at Garmisch is what immediately came to mind. Have ridden it a number of times but the most thrilling is the Sielbahn.

https://www.youtube.com/watch?v=gkHoVe19q0w

http://zugspitze.de/de/service/bautagebuch