Heart Pieces/Containers:

-Go West, then North from the start point, you'll need both the armband and the ladder.
-Holding left, ride the raft off the dock 2 screens east of start and go down the stairs.
-Push the leftmost rock south of start, where you pushed the grave in the blue overworld, again, you'll need the armband.
-Take a right at the boss door in Unending, and go through the rooms until you get to a chest with it inside.
-Normal Mode Only, East of the cathedral, where you leave Kakariko village, go onto the protruding dock. If you have the raft, it'll take you to the heart container.
-At the entrance to the east wing of Kakariko Wind Generator, bomb the south wall (where you return when you get the small key.)
-Go east at the 4-way passage in the Mountain Pass, defeat the bats to make it appear.
-Solve the Triforce Puzzle just west of the room before the boss in Lost Woods.
-Go east after the room with lava in the collapsing Lost Woods.
-Defeat the Patra in the Collapsing Lost Woods to make it appear. (It's near the exit.)
-This one's easy, it's smack in the middle of the entrance room to Ganon's castle.
-Go north in the first room with 2 Manhandlas in Ganon's castle.
-Go south at the room before Ganon. You'll need to enter from the east to get rid of the blocks in front of the door.

Other Crap:

Blue Candle - Just below start, get the key from the man in the house to the west.
Red Candle - Get it from the lady to the southeast of the river.

Armband - Get it by pushing the leftmost grave at the graveyard in blue overworld.

Boomerang - Talk to the woman above the river.
Magic Boomerang - Get it by unlocking the door one screen to the north of the entrance to Ganon's Castle.

Raft - Get it in the Temple of Time, go south from where you warped to Kakariko Village and follow the winding path.

Ladder - At the top of the North Wing of Kakariko Wind Generator.

Wooden Sword - Get it in the blue Temple of Time, it looks like the white sword.
White Sword - In the east wing of the Kakariko Wind Generator, it's blue, can't miss it.
Magic Sword - Defeat all the Darknuts in the Lost Woods, it'll appear in the center.
Master Sword - Just north of the teleporters in the Temple of Time, behind the red Armos statues. Shoot the blue fire with the wand to enter.

Bow - Go left at the bow trigger room in Desert Tomb.
Arrows - Go right at the bow trigger room in Desert Tomb.
Silver Arrows - Burn the torch at the southeastern edge of the desert.
Gold Arrows - Shoot the Blue Torches with the wand in the Darknut room of Lost Woods and head west.

Amulet - Two screens east of the statue room in Lost Woods, defeat the Mirror Wizzrobe to get to the room.

Wand - West, then 2 screens North of the statue room in Lost Woods. Solve the Triforce Puzzle to get to it.

Magic Shield - Buy it in Kakariko, alternately, defeat the bats to the west of the 4 passage room in Mountain Pass.
Mirror Shield - Southwest of the fire-shooting statues in Lost Woods.

Blue Ring - In the middle of the room with 2 bow triggers in Desert Tomb.
Red Ring - Hard Mode Only, get it from the woman below where you got the Red Candle.
Gold Ring - Easy and Normal only,  get it from the woman below where you got the Red Candle.