What concepts could work as treasures, mines, infinite resources, or captureable objectives on the map?

[OperaticShip743]

We got windmills. Why not sawmills?

Some of the new european maps feature windmills that produce 1 food/sec. While getting food is always useful, I think its the resource that devalues the fastest thanks to upgrades and the overall higher base gather rate. On the other hand, wood is always hard to come by, and its the one resource that limits players the most: wood is used to build production buildings and houses (it allows food and gold to be turned into units) and to research eco and military upgrades (increases the value of vi…