This is a paid asset, but now you can download Titan Town for FREE, Please keep in mind this package is provided only for learning purposes or to be able to test before buying the product, NOT FOR COMMERCIAL PURPOSES.
Detail this asset from Unity Store: Original Link
Titan Town v1.1
Titan Town is a package with epic medieval environment. Style is very unique, moody and atmospheric. All assets are hand made. Both nature and hard surface textures are handpainted. All Trees and Foliage are easy to use in standard terrain editor.
Package includes:
1) Full scale very stylized nature environment.
2) Hand painted terrain textures
3) 11 medieval Living houses
4) Modular garrison with towers and stone structures.
5) Ruins and other decorations
6) High quality props
7) High quantity of foliage, ready to use in default terrain editor.
8) Scene set with all tree assets where you can edit individual trees with unity tree creator tool. You also can duplicate tree prefabs and make a lot’s of variations by simply changing seed slider.
9) Epic demo scene. Both with night and day setups.