It was built on a singleplayer map, so unfortunately it is not on the server. If you want to see the parkour you can either download it or you can watch the youtube video.
Youtube video:
After I finished most of the parkours on this server I built one myself:
The main theme is a mansion, but later it offers more variety if you have successfully escaped the first parts.
Section 1: Foyer
Section 2: Library
Section 3: Basement Prison
Section 4: Sewer
Section 5: Mystical Tree...