Aqueduct 
Water 
 Food production increased by 8% for every 1% (max +40%).

Dock 
Water 
 Produces 40 food per tick.
 XP generation increased by 5% for every 1% (max +25%).
 Resource exchange rates improved by 4% for every 1% (max +20%).

Factory 
Hill 
 Construction costs decreased by 4% for every 1% (max 80% reduction).
 Rezoning costs decreased by 2% for every 1% (max 40% reduction).

Farm 
Plain 
 Produces 80 food per tick.

Forest Haven 
Forest 
 Spy losses decreased by 3% for every 1% (max 30% reduction).
 Damage from fireballs reduced by 8% for every 1%.
 Gold stolen from you reduced by 8% for every 1%.
 Houses 40 spies and units that count as spies.
 Houses 0 people.

Gem Mine 
Mountain 
 Produces 15 gems per tick.

Gold Mine 
Plain 
 Produces 50 gold per tick.

Guard Tower 
Hill 
 Defensive power increased by 1.8% for every 1% (max +36% DP).

Lumberyard 
Forest 
 Produces 50 lumber per tick.

Masonry 
Plain 
 Improvements increased by 2.75% for every 1%.
 Damage from lightning bolts reduced by 0.75% for every 1%.

Military Academy 
Hill 
 Offensive power increased by 1.8% for every 1% (max +36% OP)

Shrine 
Forest 
 Defensive casualties decreased by 5% for every 1% (max 50% reduction).
 Offensive casualties decreased by 5% for every 1% (max 50% reduction).

Smithy 
Plain 
 Unit gold costs 2% for every 1% (max 40% reduction).
 Unit ore costs 2% for every 1% (max 40% reduction).

Spawning Pool 
Swamp 
 1% additional units trained for free for every 1% (max 100% extra units).

Temple 
Swamp 
 Reduces target's defensive modifiers by by 1.8% for every 1% (max 36% reduction or 0% defensive modifiers).
 Population growth rate increased by 6% for every 1%.

Tower 
Swamp 
 Produces 25 mana per tick.

Watermill 
Water 
 Gem production increased by 4% for every 1% (max +20%).
 Ore production increased by 4% for every 1% (max +20%).

Wizard Guild 
Swamp 
 Wizard and arch mage training costs decreased by 2% for every 1% (max 40% reduction).
 Spell mana costs decreased by 2% for every 1% (max 40% reduction).
 Houses 40 wizards and units that count as wizards.
 Houses 0 people.
