You can find graffiti of what seems to be a simplistic animal on the wall next to the Magic Castle. It is actually a very accurate rendering of a horse from season 2, episode 2 of the animated series Adventure Time .
Travel to the Old Town area in the northwest corner of the map. Go to the castle-like building found along the cliffs facing the ocean. Climb to the tallest and rounded portion of the building to find a small flag, similar to those that are collected in Assassin's Creed. Get the flag to get a small amount of experience points.
Search the indicated locations to find blueprints for the corresponding crafting recipe.
You can actually call 1-661-320-4146, the number featured on various taxis , and it will ring through to the cab company.