Many mysterious items can be found in unique real-world locations.
This is how you can find information about the locations in-game.
First, go to “Events”.
Then by pressing the “Special” tab from the top you will get a list of special locations.
If you press any of the banners, an event pop-up will appear with information about the story, locations, and rewards.
Some locations will also give special discounts and offers to players, who complete these quests.