The monorail was the first ride created at Disneyland, Anaheim, CA. The monorail provides a type of captain's view of Disneyland, California Adventure and some of the surroundings.
Definition via google search:
"mon·o·rail
ˈmänəˌrāl/
noun
- a railroad in which the track consists of a single rail, typically elevated, with the trains suspended from it or balancing on it."