Need desperate help finding a specific dungeon/module/adventure

[Accester]

I genuinely feel like I'm going insane. I'm looking for a specific adventure/module I saw a few months back which I I'm pretty sure was not for 5e, but rather made for an older edition of dnd. The module had 1 or two towers which could rearrange themselves, and in an area inaccessible due to the current arrangement of the tower when the players arrived, there was a king or some other leader working on making/preparing something. I think it was officially published module for an older edition, but I could be wrong. Any help would be greatly appreciated so I can prove to myself I'm not going insane and because I need it tonight by 6 pst, lest there be dire consequences for my health.

[MrNeech]

I'm afraid that one isn't ringing a bell for me. If you happen to remember the cover, wikipedia has cover images for most of the classic modules available. The first link is for pre-3rd edition, the second link covers 3rd - 5th.

https://en.wikipedia.org/wiki/List_of_Dungeons_%26_Dragons_modules
https://en.wikipedia.org/wiki/List_of_Dungeons_%26_Dragons_adventures