This article lists instance maps for pre-Burning Crusade (classic) dungeons and raids.
Any dungeons or raids that have been retuned for higher-level content can be found on that expansion's instance maps page.
Temple of Atal'Hakkar (Sunken Temple)
Capital Gardens (Dire Maul West)
Gordok Commons (Dire Maul North)
Warpwood Quarter (Dire Maul East)