surf south from pallet town
Go into the Pokemon mansion and look around. At the end you will find the key to the door.
It's located in the basement of the mansion.
Surf from pallet townSurf downward all the way down and you will see cannibar island.
You have to go to Cannibar island and go into the factory with the old man in front of it go inside head to the last room give the scientist the fossil and he'll give you an arodactyl
you go to an island and it is there. i think it is the 8th island.
Team rocket will go to the dotted hole after five island in leafgreen, but I'm not sure about firered.
Go to Ember Island
Go to birth island.
go to One Island
go to 8 island and find aten and he will take you there
Go to birth island.
you have to get a rainbow pass