go to the entrance underneath it then when u reach the door click on it then type in o p e n.
on the roof of the ancient ruins
Climb the vine by pushing the large block over, then jump left to reach the roof. The page has the translation of the hieroglyphics, so that you can spell out the word "open" on the face in the ruins.
To reach the translation page atop the ruins, push the large block to the right, and you can jump to reach the vines. Climb to the wooden platform and jump left onto the roof.
Well if you want to know where the symbols are, they're on the roof of the shark tooth cave and to get on top of the cave, you climb up the vines until you're even with the roof, then run and jump onto it
The page from Professor Hammerhead's Journal is on top of the Ruins. Push the large block to the right until you can reach the vines. Climb to the wooden platform and jump left onto the roof.
The girl in front of the ancient ruins saw it on the roof there. To reach it, push the big rock to the right until you can jump to the vine. When you reach the platform, jump left onto the roof.
The missing page is on top of the ruins, and shows the translation you need to OPEN the door in the ruins. (Push the rock over to reach the vines, climb and jump to the roof.)
Push the big block to the right until you can jump up to the vine. Climb to the platform and jump hard to the left. You will find a missing journal page on the roof.
The code is on the roof above the cave - you have to move a box to go up the vine and jump off onto the roof.
There are two "keys" on Shark Tooth Island, neither of them a real "key" : 1) The "translation key" which is a page from Professor Hammerhead's journal. It shows how the ancient hieroglyphic symbols translate into English. Spelling out the word "OPEN" in these symbols will open the ruins door. The page is on the roof of the ruins. 2) The "key ingredient" is the green substance that make the shark sleping potion work. It is far to the left in the underground ruins. (see related questions)
They are just right of Main Street. Use the big block to reach the vines, and climb up, then jump left to reach the roof. You will find the missing translation page from Hammerhead's Journal.
Push the big block right until you can jump to the vine, then climb to the first platform. Jump hard left to reach the roof.