This is a project I'm working on right now. I am working on a new 64x64 grid everyday, and it will eventually be a pretty big Medieval themed world.
Today I finished a small road village.
Road view:

Guard tower:

Tanning rack and Grindstone:

Horse stables:

Shack:

Bird's Eye view:

I used the PD tree pack.
I am willing to take constructive criticism.