Thor: God of Thunder

Asgard -
1. Behind you after first leap.
2. After destroying the ice barrier with thunder trench, turn round and destroy the crystals in the far left corner
3. Behind the horn that you release from the ice. (Hard Only)

Niflheim -

1. After the first battle with the Jotun look up and right of the doorway to see some crystals on a ledge. Use hammer throw on them and use the jump point to get up to the nut.
2. After using the rage to smash Ymir, head into the cave und up the cliff. Once you hear water start behind you, turn around and jump back down the cliff.
3. After Loki shows you the path to the spire head down it until the river. On the right is a waterfall with grab points. At the top smash the crystals. (Hard Only)
4. After defeating the goliath, destroy the turrets then fly up to the ledge. Use the grab points on the cliff face to get the collectable in the middle of where the turrets were located.
5. On top of the spire after destroying the jade pillars it appears near the outer edge.
6. After destroying the spire you fly back to the palace. Destroy the door and turrets to stop them shooting you. Then head back over the bridge and fly up to the spire path. Hammer throw the crystals on the right and follow the ledge round for the prize.

Vanaheim -

1. Behind you at the start of the level
2. After being shot at by the red troll follow him out of the structure into the next area. A moat surrounds the structure you just exited but if you look down you can see a grab point on the cliff face amongst the plants. Jump down here to land in a small cave. (Hard Only)
3. After the troll shoots you in slow motion head up the rocks in front.
4. After exiting the beacon for the second time run over the bridge and head to the far left corner of the swamp.
5. Before getting onto the large gunboat look up into the trees in this area. Use hammer throw to knock it down.
6. Take out the mortar cannons, head down the lift and out of the cave. Before returning to the barge go right and you will find a tree that you can push over with B. The nut will appear on the log.

Muspelheim -

1. After the second scorcher battle look under the archway in the area.
2. After fighting the flame giver and entering the door loki shows you, look right to see an arch over the chasm on the side. Jump up to it and on the right side is the nut.
3. After the mini arena battle fly up to the next drill. Look left and destroy the wall to open up the path. Jump down here and head through the tunnel. Before flying to the next drill look right for a grab point. Use it to reach the item.
4. Fly up to the right of the First anchor shield. The camera pans down to the right to an area with a force rune. Fly down here and defeat the swarm. To the right of the area are some collapsing platforms. Jump along them to reach the Nut.
5. After leaping up to start the second anchor, head left and use the platforms in the lava to find another jump point. Fly over to claim the prize.
6. After bringing down the large drill, jump off the side on the left as soon as you start the next section.
7. After defeating Surtur exit the chamber and head down the steps. At the bottom on the left is the nut.

Asgard Besieged -

1. After using your rage to smash the red barrier and find Sif, look behind you.
2. Behind the Horn during the defence, second visit. (Hard Only)
3. When taking out the attack drills you will need to use a boulder to take out the last 2. The Nut is underneath.