go to the socacain ruins there quit common
Chat with our AI personalities
You find it in the solaceon ruins after you catch all the unown.
You solve the stone panels in the Ruins of Alph. If you dont solve the stone panels, you will find no UNOWN.Dont ask me why I wrote UNOWN that way.
If you look carefully in the monean chamber and viapois chamber you can find a secret unown.
first go to celistic town.Then go to the east. then go down the 3rd ledge and into the cave there, in that cave you can find unown
OK I need to edit my answer. Once you get all 26, go to the Ruin Maniac just south of Veilstone City. The little room he was in before you had all 26 will be a huge tunnel, and at the end you will find an exit. Go in to find the final two Unown, ? and !. Hope that helps.