| Unique Buildings |
Requires |
Cost |
Effects |
 |
Mall American Empire Replaces Supermarket |
Refrigeration Grocer |
150 |
+20% gold in city +1 health from Cow, Deer, Pig, Sheep +1 happiness from Hit Singles, Hit Musicals, Hit Movies |
 |
Madrassa Arabian Empire Replaces Library |
Writing |
90 |
+25% science in city +4 culture Can turn 2 citizens into scientist Can turn 2 citizens into priest Required to build University, National Epic, Great Library |
 |
Sacrificial Altar Aztec Empire Replaces Courthouse |
Code of Laws |
90 |
-50% maintenance -50% anger duration from sacrificing population Required to build Forbidden Palace |
 |
Cothon Carthaginian Empire Replaces Harbor |
Compass |
100 |
+1 trade route +50% trade route yield +1 health from Clam, Crab and Fish Available for free on Modern and later starts |
 |
Dun Celtic Empire Replaces Walls |
Masonry |
50 |
Free Guerilla I promotion for units built in this city +50% Defense (Except vs. gunpowder-based units) -25% Damage to Defenses from Bombardment (Except vs. gunpowder-based units) Required to build Castle Double production speed with stone Obsolete with Rifling (Except defensive bonus) |
 |
Pavilion Chinese Empire Replaces Theatre |
Drama |
50 |
+1 happiness per 10% culture rate Can turn 2 citizens into artist +1 happiness from Dye +3 culture +25% culture in city Required to build Globe Theatre |
 |
Obelisk Egyptian Empire Replaces Monument |
Mysticism |
30 |
+1 culture Can turn 2 citizens into priest Obsolete with Calendar |
 |
Stock Exchange English Empire Replaces Bank |
Banking |
200 |
+65% gold in city Required to build Wall Street Available for free on Modern and later starts |
 |
Salon French Empire Replaces Observatory |
Astronomy |
150 |
+25% science in city +1 free artist Can turn 1 citizen into scientist Required to build Laboratory |
 |
Assembly Plant German Empire Replaces Factory |
Assembly Line |
250 |
+25% hammer production +50% hammer production with power Can turn 4 citizens into engineer +1 unhealthiness Required to build Coal Plant, Hydro Plant, Nuclear Plant Builds 50% faster with Coal |
 |
Odeon Greek Empire Replaces Colloseum |
Construction |
80 |
+2 happiness +1 happiness per 20% culture rate +3 culture Can turn 2 citizens into artist +1 happiness from Hit Singles |
 |
Terrace Incan Empire Replaces Granary |
Pottery |
60 |
Stores 50% of food after growth +1 health from Corn, Rice, Wheat +2 culture Available for free on Renaissance and later starts |
 |
Mausoleum Indian Empire Replaces Jail |
Constitution |
120 |
+2 happiness -25% war weariness Available for free on Modern and later starts |
 |
Shale Plant Japanese Empire Replaces Coal Plant |
Assembly Line Factory |
150 |
+10% hammer production Provides power +2 unhealthiness if used |
 |
Seowon Korean Empire Replaces University |
Education Library |
200 |
+35% science in city +3 culture Required to build Oxford University |
 |
Mint Malinese Empire Replaces Forge |
Metal Casting |
12 |
+25% hammer production +10% gold in city Can turn 1 citizen into engineer +1 happiness from Gems, Gold, Silver +1 unhealthiness Required to build Ironworks, The Colossus, The Eiffel Tower, The Statue of Liberty Available for free on Modern and later starts |
 |
Ger Mongolian Empire Replaces Stable |
Horseback Riding |
60 |
New mounted units receive +4 experience points Obsolete with Rocketry |
 |
Hamman Ottoman Empire Replaces Aquaduct |
Mathematics Masonry |
100 |
+2 health +2 happiness Required to build The Hanging Gardens Available for free on Industrial and later starts |
 |
Apothecary Persian Empire Replaces Grocer |
Guilds Currency |
150 |
+25% gold in city +2 health Can turn 2 citizens into merchant +1 health from Banana, Spicer, Sugar, Wine Required to build Supermarket Available for free on Industrial and later starts |
 |
Forum Roman Empire Replaces Market |
Currency |
150 |
+25% gold in city +25% Great People Points Can turn 2 citizens into merchant +1 happiness from Fur, Ivory, Silk, Whale Available for free on Industrial and later starts |
 |
Research Institute Russian Empire Replaces Laboratory |
Computers Observatory |
250 |
+25% science in city +50% spaceship production Can turn 1 citizen into scientist +2 free scientists +1 unhealthiness |
 |
Citadel Spanish Empire Replaces Castle |
Engineering Walls |
100 |
+1 trade route +50% Defense (Except vs. gunpowder-based units) -25% Damage to Defenses from Bombardment (Except vs. gunpowder-based units) New siege weapons receive +5 experience points +1 culture Double production speed with stone Obsolete with Economics (Except defensive bonus) |
 |
Trading Post Viking Empire Replaces Lighthouse |
Sailing |
60 |
Free Navigation I promotion for units built in this city Water tiles +1 food Required to build The Great Lighthouse Available for free on Industrial and later starts |
 |
Ikhanda Zulu Empire Replaces Barracks |
- |
60 |
-20% city maintenance New land units receive +3 experience points Required to build Heroic Epic |