On the small cliff past the Mighty Wall.
Egg Locations
Cavern of Dreams

In a treehouse in the Lostleaf Lake lobby.
Through the waterfall cave.
On the tree above the cannon in the Airborne Armada lobby. Requires Jester Boots.
In a headbash hole in the Moon Cavern.
In an iceberg in the Prismic Palace lobby.
On a ledge up a rope past a Keehee in the Moon Cavern.
Past a breakable wall in the Lostleaf Lake lobby.
Lostleaf Lake

On the stump at the entrance.
In a small treehouse near the big treehouse.
Given by Gabby Grove.
On a stump you can reach with the Jester Boots.
Behind the waterfall.
Past the statue puzzle in the sunken church.
On top of Shelwart's grave in the crypt.
In the hollow log in the lake.
Airborne Armada

On Kerrington's tail.
All the way at the back of the purple lava room.
At the end of the central pipe in the main room.
In the water tank in the garden room.
Free the monsters, go through the garden room and you can jump into Dumpling's vat in the lab.
Free the monsters, start the timer in the helm, then jump on Dumpling. In the heart room, hit the generators in the right order.
In a room you can only get into by breaking a window on Kerrington's exterior.
Rotate Kerrington counter-clockwise. It'll be cooking in a floating room. Use a potion or a bubble.
Prismic Palace

In an igloo that can be opened with a switch accessed with the Jester Boots.
Down the ramp past the observatory.
At the top of the dining room.
Underneath Bigstar.
Feed The Gobbler! a fruit from Lostleaf Lake. The egg will be in The Gobbler!'s cave.
Swim through all the stars to enter under the palace. Use the boots, or headbash the pillars in the palace above.
Match the See Stars in the palace. Enter the Sanctum and do the timed puzzle.
In the observatory, try to make the stars match the book.
Gallery of Nightmares

Inside the Vexing Egg in the foyer.
Caged next to the Shelnert painting in the Earth Lobby.
Caged next to the Kerrington painting in the Fire Lobby.
In a Water Lobby room accessible through the Earth Lobby.
Under the water past the dark room in the Water Lobby.
Beat the Pits of Despair.
Beat the Wastes of Eternity.
Beat the Coils of Agony.