Oh, great.
Today's the day I'll find it.
EDIT: Found it!
And I can't believe it...
It's not just a clue!
It's a motherfucking trailhead!
* Zengar puts on his tinfoil hat and grabs a trout
The game is on.
EDIT THE SECOND: I'm stumped. I cannot find the second txt file, but found the other two (And already got a positive on the image).