List of improvements in Civ6

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The following is a list of tile improvements in Civilization VI and its expansions.

This list excludes two special types of improvements, Roads (since you can still further improve tiles containing Roads with another improvement) and National Parks (since a National Park consists of 4 tiles).

Standard

These improvements are available to all civilizations after researching their respective technologies or civics.

Name	Technology/ Civic	Where can be placed	Resource	Base Yield Modifier & Notes	Plunder
Farm		Grassland Plains Floodplains also on Grassland (Hills) Plains (Hills) with Civil Engineering	Wheat Rice Maize	+1 Food +0.5 Housing +1 Food with two adjacent Farms (Feudalism) +1 Food for each adjacent Farm (Replaceable Parts)	Healing
Mine	Mining	Hills and on land tiles with resource	Copper Diamonds Gold Ore Iron Jade Mercury Salt Niter Coal Aluminum Uranium Amber	-1 Appeal +1 Production +1 Production (Apprenticeship) +1 Production (Industrialization) +1 Production (Smart Materials)	Gold
Quarry	Mining	Only on resource	Stone Marble Gypsum	-1 Appeal +1 Production +2 Gold (Banking) (Vanilla and only) +1 Production (Rocketry) +1 Production (Gunpowder) +1 Production (Predictive Systems)	Faith
Plantation	Irrigation	Only on resource	Bananas Citrus Cocoa Coffee Cotton Dyes Silk Sugar Tea Tobacco Wine Olives	+2 Gold +0.5 Housing +1 Food (Scientific Theory) +2 Gold (Globalization)	Faith
Camp	Animal Husbandry	Only on resource	Deer Furs Ivory Truffles Honey	+2 Gold +0.5 Housing +1 Food (Mercantilism) +1 Production (Mercantilism) +1 Gold (Synthetic Materials)	Faith
Pasture	Animal Husbandry	Only on resource	Sheep Cattle Horses	+1 Production +0.5 Housing +1 Food (Stirrups) +1 Production (Robotics)	Faith
Fishing Boats	Sailing	Only on resource	Fish Crabs Whales Pearls Amber Turtles	+1 Food +0.5 Housing +2 Gold (Cartography) +1 Food (Plastics)	Healing
Lumber Mill	Machinery	Woods Rainforest ( only) (Mercantilism)		Vanilla and +1 Production +1 Production if adjacent to a River +1 Production (Steel) +2 Production +1 Production (Steel) +1 Production (Cybernetics)	Gold
Fort	Siege Tactics	Any land		Occupying unit receives +4 Defense Strength and 2 turns of fortification. Built by a Military Engineer.	None
Airstrip	Flight	Flat terrain		-1 Appeal +3 Aircraft Capacity Built by a Military Engineer.	None
Seaside Resort	Radio	Only Coastal Grassland Plains Desert	Minimum Appeal of Breathtaking (4+)	Provides double the tile's Appeal in Tourism. (Double Tourism Output from Cristo Redentor). Also provides the tile's Appeal in Gold.	Gold
Geothermal Plant	Synthetic Materials	Only on Geothermal Fissure		+2 Production +1 Science +4 Power	Gold
Wind Farm	Composites	Hills		+1 Production +1 Gold +2 Power	Gold
Solar Farm	Satellites	Grassland Plains Tundra Desert		+1 Production +1 Gold +2 Power	Gold
Offshore Wind Farm	Predictive Systems	Lake Coast		+1 Production +1 Gold +2 Power	Gold
Ski Resort	Professional Sports	Mountains		+1 Amenity Provides Tourism equal to the tile's Appeal. Cannot be built next to another Ski Resort.	None
Oil Well	Steel	Only on land tiles with Oil resource	Oil	-1 Appeal +2 Production	Gold
Offshore Oil Rig	Plastics	Only on sea tiles with Oil resource	Oil	-1 Appeal +2 Production	Gold
Missile Silo	Rocketry	Only on flat land		Acts as launch site for Nuclear and Thermonuclear Devices. Built by a Military Engineer.	None
Mountain Tunnel	Chemistry	Mountains		Allows units to move into it and exit through another Mountain Tunnel at the cost of 2  Movement. Built by a Military Engineer. Cannot be pillaged or removed.	None
Railroad	Steam Power			0.25 Movement. Built by a Military Engineer.
Seastead	Seasteads	Lake Coast Ocean		+2 Food +1 Production from each adjacent Fishing Boat. Fishing Boats receive +1 Production from each adjacent Seastead. +1 Culture and Tourism for each adjacent Reef. +2 Housing.	Healing

City-state

These improvements can be built by any civilization that is the Suzerain of the specified city-state. Thus, whether you can construct these improvements with your Builders will depend on whether that particular city-state is present in your game and whether you are their Suzerain. Once built, these improvements stay there permanently, even if the territory they are built in changes hands, or the relevant city-state gets conquered. However, when pillaged, these improvements cannot be repaired if the city-state is no longer independent (i.e. its city-state status is lost to a civilization through military conquest or Loyalty flipping).

Name	City-state	Restrictions	Base Yield Modifier & Notes	Plunder
Alcázar	Granada	Cannot be built adjacent to another Alcázar.	+2 Culture Occupying unit receives +4 Defense Strength and 2 turns of fortification. Provides Science equal to 50% of the tile's Appeal.	Faith
Batey	Caguana	Cannot be built on hills or adjacent to another Batey.	+1 Culture +1 Culture for every adjacent Bonus Resource and Entertainment Complex, increasing to +2 Culture (with Exploration). Provides Tourism after researching Flight	Faith
Cahokia Mounds	Cahokia	Cannot be built adjacent to another Cahokia Mounds.	+3 Gold. +1 Amenity from the first Cahokia Mounds in the city. +1 Amenity from the second Cahokia Mounds in the city (with Natural History) +1 Food for every 2 adjacent Districts (with Feudalism) or for every district (with Replaceable Parts). +1 Housing. +1 additional Housing (with Cultural Heritage)	Healing
Colossal Heads	La Venta		+2 Faith +1 Faith for every 2 adjacent Woods or Rainforest (Vanilla & ) +1 Culture (Humanism) (Vanilla & ) +1 Faith for every 2 adjacent rainforests (or every 2 adjacent woods), increasing to +1 Faith for every adjacent rainforest (or every woods) (with Humanism). Tourism from Faith with Flight unlocked.	Faith
Mahavihara	Nalanda	Must be built on flat land. Cannot be built adjacent to another Mahavihara.	+2 Science +1 Housing +1 Faith for every adjacent Holy Site. +1 Science for every adjacent Campus. The first one constructed unlocks a random technology.	Faith
Moai	Rapa Nui	Cannot be built adjacent to a Rainforest Tile.	+1 Culture +1 Culture for every 2 adjacent Moai +2 Culture if on or adjacent to a Volcanic Soil tile. +1 Culture if adjacent to a Coast or Lake tile. Additional Culture and Tourism as advanced through Technology and Civics Tree.	Faith
Monastery	Armagh	Cannot be built adjacent to another Monastery.	+2 Faith Provides +15 HP healing every turn for friendly religious units. +1 Faith for every 2 adjacent districts. +1 Housing. +1 additional Housing (with Colonialism).	Faith
Nazca Line	Nazca	Must be built on flat desert tiles.	+1 Faith to adjacent tiles. +1 additional Faith to adjacent tiles with a resource. +1 Food to adjacent Desert and Desert Hills. +1 Production to adjacent flat tiles (with Mass Production). +1 Appeal. Tiles with a Nazca Line cannot be worked.	Faith
Trading Dome	Samarkand	Cannot be built adjacent to another Trading Dome.	+2 Gold +1 Gold for every adjacent luxury resource. International Trade Routes sent from cities with Trading Domes generate +1 Gold for each Trading Dome present.	Gold

Unique

These tile improvements are tied to a specific civilization or leader, and as such will only be available to a player who is using that civilization or leader. When areas on the map that contain unique improvements change hands (i.e. their controlling city gets conquered by another civilization), these improvements simply vanish and their tile becomes "virgin" land.

Name	Civilization/ Leader	Technology/ Civic	Restrictions	Base Yield Modifier & Notes	Plunder
Château	French	Humanism	Must be built adjacent to a River	Vanilla and : 2 Culture +1 Appeal to adjacent tiles +2 Culture if adjacent to a Wonder +1 Gold if adjacent to a luxury resource : 2 Culture +1 Appeal to adjacent tiles +1 Culture for each adjacent Wonder, increasing to +2 Culture with Flight +1 Gold if adjacent to a luxury resource	Faith
Chemamull	Mapuche	Craftsmanship	Minimum Appeal of Breathtaking (4+)	Provides Culture equal to 75% of its tile's Appeal.	Faith
Golf Course	Scottish	Reformed Church	Cannot be built on Desert or Desert Hills Limited to 1 per city Tiles with Golf Courses cannot be swapped.	+1 Amenity ( +2 Amenities) +2 Gold +1 Appeal to adjacent tiles +1 Culture if adjacent to a City Center +1 Culture if adjacent to an Entertainment Complex +1 Housing (Globalization)	Healing
Great Wall	Chinese	Masonry	Must be on territory border	Vanilla and : Occupying unit receives +4 Defense Strength. +1 Gold for every adjacent Great Wall +1 Culture : Occupying unit receives +4 Defense Strength. +2 Gold and additional +2 Gold for every adjacent Great Wall. +2 Culture for every adjacent Great Wall (Castles)	Gold
Hacienda	Gran Colombian	Mercantilism	Must be built on Grassland, Grassland Hills, Plains or Plains Hills.	+2 Gold+1 Production +1 Housing +1 Food from every 2 adjacent Plantations (increasing to +1 Food every Plantation with Replaceable Parts). Plantations and Haciendas receive +1 Production for every 2 adjacent Haciendas (increasing to +1 Production for every Hacienda with Rapid Deployment).	Healing
Ice Hockey Rink	Canadian	Colonialism	Must be built on Tundra, Tundra Hills, Snow, or Snow Hills Limited to 1 per city Tiles with Hockey Rinks cannot be swapped.	+1 Amenity +2 Appeal +1 Culture for each adjacent Tundra, Tundra Hills, Snow, and Snow Hills tile +2 Food and Production (with Professional Sports) +4 Culture if adjacent to a Stadium	Healing
Kampung	Indonesian	Shipbuilding	Must be adjacent to a coastal resource	+1 Production +1 Housing +1 Food for each adjacent Fishing Boat +1 Housing (Mass Production) +1 Production (Civil Engineering) +1 Tourism per bonus Food on tile (Flight)	Healing
Kurgan	Scythian	Animal Husbandry	Cannot be built on Hills	+1 Faith +1 Gold +1 Faith for every adjacent Pasture +1 Gold (Guilds) +1 Gold (Capitalism)	Faith
Mekewap	Cree	Pottery	Must be built adjacent to a Bonus or Luxury Resource and cannot be adjacent to another Mekewap	+1 Production +1 Housing +1 Gold if adjacent to a Luxury Resource, increasing to +2 Gold for each adjacent Luxury Resources (with Cartography) +1 additional Production and Housing (with Civil Service) +1 Food for every two adjacent Bonus Resources, increasing to +1 Food for each adjacent Bonus Resource (with Conservation)	Healing
Mission	Spanish	Exploration		Vanilla and +2 Faith +2 Faith if on a different continent than your Capital +2 Science if built next to a Campus district +2 Science (requires Cultural Heritage) +2 Faith +2 Faith additionally, 1 Food, 1 Production if on a different continent than your Capital. +1 Science for every adjacent Campus and Holy Site. +2 Science (requires Cultural Heritage)	Faith
Nubian Pyramid	Nubian	Masonry	Must be built on Desert or Floodplains	+1 Faith +1 Food if adjacent to a City Center +1 Science if adjacent to a Campus +1 Gold if adjacent to a Commercial Hub +1 Gold if adjacent to a Harbor +1 Faith if adjacent to a Holy Site +1 Production if adjacent to an Industrial Zone +1 Culture if adjacent to a Theater Square	Faith
Open-Air Museum	Swedish	Nationalism	Limited to 1 per city Tiles with an Open-Air Museum cannot be swapped	+2 Loyalty for this city +2 Culture and +2 Tourism (with Flight) for each type of terrain (Grassland, Plains, Snow, Tundra and Desert) in which at least one Swedish city is founded.	Faith
Outback Station	Australian	Guilds	Cannot be built on Snow, Tundra, Grassland Hills, or Plains Hills	+1 Food +1 Production +0.5 Housing +1 Food for every adjacent Pasture +1 Production for every 2 adjacent Outback Stations (Steam Power) +1 Food for every 2 adjacent Outback Stations (Rapid Deployment)	Healing
Pā	Māori	Construction	Can only be built by Toa	Occupying unit receives +4 Defense Strength and automatically gains 2 turns of fortification. A Māori unit occupying a Pā heals even if they just moved or attacked. Built by Māori Toa.	None
Pairidaeza	Persian	Early Empire	Cannot be built on Snow or Tundra and cannot be adjacent to another Pairidaeza	+1 Culture +2 Gold +2 Appeal to adjacent tiles +1 Culture (Diplomatic Service) +1 Culture for every adjacent Theater Square or Holy Site +1 Gold for every adjacent City Center or Commercial Hub	Faith
Polder	Dutch	Guilds	Must be built on Coast or Lake with at least three adjacent land tiles	+1 Food +1 Food for every adjacent Polder +1 Production +0.5 Housing +4 Gold (Civil Engineering) +2 additional Food and +1 additional Production (Replaceable Parts) Increases Movement cost of tile to 3.	Faith
Qhapaq Ñan	Pachacuti	Foreign Trade	Must be built adjacent to a Mountain	Allows units to move into it and exit through another Qhapaq Ñan at the cost of 2 Movement. Cannot be pillaged or removed.	None
Rock-Hewn Church	Ethiopian	Drama and Poetry	Cannot be adjacent to another Rock-Hewn Church.	+1 Faith. +1 Faith for every adjacent Mountain and Hills tile. Provides Tourism after researching Flight. +1 Appeal.	Faith
Roman Fort	Roman	Iron Working	Can only be built by Legion.	Occupying unit receives +4 Defense Strength and 2 turns of fortification. (Same as standard Fort, but available earlier.) Built by Roman Legion.	None
Sphinx	Egyptian	Craftsmanship	Can be built on Floodplains Cannot be built adjacent to another Sphinx	+1 Culture, +1 Faith +1 Appeal to adjacent tiles (+2 Appeal in ) +1 Culture (Natural History) +2 Faith if adjacent to a Wonder +1 additional Culture if built on Floodplains	Faith
Stepwell	Indian	Irrigation	Cannot be built on Hills or adjacent to another Stepwell	+1 Food +1 Housing +1 Food if adjacent to a Farm +1 Faith if adjacent to a Holy Site +1 Faith (Feudalism) +1 Food (Professional Sports) +1 Housing (Sanitation)	Healing
Terrace Farm	Incan		Must be built on Grassland Hills, Plains Hills, or Desert Hills	+1 Food +0.5 Housing +1 Food for each adjacent Mountain +2 Production for each adjacent Aqueduct +1 Production if adjacent to fresh water and not an Aqueduct	Healing
Ziggurat	Sumerian		Cannot be built on Hills	+2 Science +1 Culture (Natural History) +1 Culture when next to a River	Gold

Governor

Governor improvements are a new type of tile improvement introduced in Rise and Fall. They can be built in any city to which a Surveyor Governor with the requisite title has been assigned.

Name	Title	Restrictions	Base Yield Modifier & Notes
City Park	Parks and Recreation	Cannot be built adjacent to another City Park	+2 Appeal to adjacent tiles +1 Culture +1 Amenity if adjacent to water + 2 Culture additionally if Liang is in the city
Fishery	Aquaculture	Must be built on coast	+1 Food +1 additional Food for each adjacent sea resource + 1 Production additionally if Liang is in the city

Added in the Rise and Fall expansion pack.
Added in the Gathering Storm expansion pack.