Below is the list of all national wonders in Sid Meier's Civilization IV. The icon after the building represents the game version, when that wonder was introduced. link=Sid Meier's Civilization IV – Warlords means Sid Meier's Civilization IV – Warlords and link=Sid Meier's Civilization IV – Beyond the Sword means Sid Meier's Civilization IV – Beyond the Sword. Where no icon is displayed, that wonder comes from the base game.
Below is the list of all national wonders in Sid Meier's Civilization IV. The icon after the building represents the game version, when that wonder was introduced. link=Sid Meier's Civilization IV – Warlords means Sid Meier's Civilization IV – Warlords and link=Sid Meier's Civilization IV – Beyond the Sword means Sid Meier's Civilization IV – Beyond the Sword. Where no icon is displayed, that wonder comes from the base game. Scotland Yard was national wonder until link=Sid Meier's Civilization IV – Beyond the Sword, when Espionage was introduced and it became a special building, which can be built by Great Spy. For that building, see Scotland Yard (City Building). Every information comes from the latest patches: link=Sid Meier's Civilization IV 1.74, link=Sid Meier's Civilization IV – Warlords 2.13 and link=Sid Meier's Civilization IV – Beyond the Sword 3.19.