There are 17 objects you can pick up and have a closer look at in the game. You must have picked up all of them to unlock this achievement. The game will keep a visual count of how many you've found. The items are as follows:
1. School bag right by where you start.
2. Letter in the mailbox.
3. Baseball bat on the ground across the road.
4. Fishing pole by the pond across the road.
5. Electronics book inside your room.
6. Bible inside your room.
7. Cute figurine inside your room.
8. Knife on bed inside father's room.
9. Red book inside father's room.
10. Music box in the storage room.
11. Flask behind the house. (See the "Good Intentions" achievement.)
12. Glass shoe by the pumpkins behind the house.
13. Box of dog food by the fence. (See the "Good Intentions" achievement.)
14. Spray can inside the shed by the fence. (See the "Sown by the Mountain" achievement.)
15. Yellow rubber ducky hidden behind the overturned bathtub amongst other scrapped items behind the house.
16. Book by a dark tree to the right off the path to the cemetary.
17. Football behind the back of the cemetary wall.