Ah ok I see now… Didn’t realize you didn’t mean quests, but rather hidden treasures with “maps” from more pieces kind of stuff… np
P.S., the easiest way to describe is the Grail mechanic from HoMM(3) 
The problem of those longer descriptive texts is how can you recognize which information is where in a reasonable amount of time (unless each paragraph has a “theme” title), and even more how to recognize what’s important from what isn’t… 
