Hey guess what the cache is NOT at the posted coordinates.
This series is about things that are valuable. Some are real, some could be real, but most are only in the movies. So you'll be looking for references of treasures. It could be gold, jewelry, money, treasure hunting, even geocache hunting. It could be the main theme or a small part of it or just the name.
Puzzle: Who steals Elya's son treasure chest. ?
You can validate your puzzle solution with certitude.