These are some clues for outdoor hiding places. There are a number of sites on-line that give clues for inside a chapel, a home, or even inside a room (like the Primary room). I’ve added links to some pages that I found at the end of the clues.
Alma 46:12 (pole) – light pole
1 Kings 19:5 (juniper) – juniper bushes
Alma 19:17 (convertor, power) – power box
Mark 11:15 (tables) – picnic table
1 Nephi 8:24 (iron rod) – playground railings
Psalm 62:2 (rock) – rock in the garden bed
D&C 63:7-10 (sign) – park sign
John 21:6 (net) – basketball net
Mosiah 2:30 (support) – tree supports
1 Kings 21:8-9 (letters) – mailbox
Jeremiah 29:5 (gardens) – garden in our yard
D&C 63:23 (water) – hose