[BUMP!] Gees I keep forgetting this. +25
All the Wonders cost 50 Production and are available depending on era, didn't catch the eras though;
America: SETI Program - Reduces Spaceship Time
Arabia: Hisham's Palace - +2 Food from Plains
Aztec: Machu Picchu (wtf?) - +1 ATK for all units
China: Forbidden Palace - +1 Culture per Citizen
Egypt: Sphinx - +1 Culture per Citizen
England: Scotland Yard - Other Civilizations can't steal Great People
France: ...
Germany: Cologne Cathedral - +50% Culture
Greece: Parthenon - +1 Gold per Citizen
India: Buddhist Stupa - +1 Culture per Citizen
Japan: Himeji Castle (again?!?!) - +1 Gold per Citizen
Mongolia: Sukhbaatar Square - +1 ATK for all units.
Rome: Leaning Tower of Piza - Double Caravan Gold
Russia: Kremlin - +50% Science
Spain: Pacalio Real de Madrid - Units heal completely within your borders
Zulu: Sudwala Caves - Each successful attack yields promotions from units built from the city
Unique Great People;
Agesilaus II of Greece - +1 ATK when within your borders
Al Khwarizmi of Arabia - +1 MOV for all Land units (Melee, Ranged, Mounted, Siege, Gunpowder)
Ashoka of India - Units restore all HP within your borders
Cao Cao of China - +1 MOV within enemy borders
Cuitlahauc of the Aztecs - +1 DEF within your borders
Francisco Pizarro of Spain - +1 ATK for Naval units
George S Patton of America - +1 ATK within enemy borders
Georgy Konstantinovich Zhukov of Russia - +1 MOV within enemy borders
Gnaeus Pompeius of Rome - +1 ATK for all Foot and Mounted units (Melee, Ranged, Mounted, Gunpowder)
Hanzo Hattori of Japan - +1 ATK for all Foot and Mounted units (Melee, Ranged, Mounted, Gunpowder)
Jama kaNdaba of the Zulu - +1 MOV within your borders
Jeanne d'Arc of France - Units restore all HP within your borders
Karl Benz of Germany - +1 MOV for all Land units (Melee, Ranged, Mounted, Siege, Gunpowder)
Timur of Mongolia - +1 ATK within enemy borders
Tutankhamen of Egypt - +1 DEF within your borders
Winston Churchill of England - +1 ATK for all Air units