Nick Storm just sent over a link to this amazing Miskatonic Railroad model train layout by John Ott. It's easily the best Mythos miniature work I've ever seen.
Click through. Now. You won't be disappointed.
The Arkham train station, re-purposed from Salem's old station. Great minds think alike. Heh.
Downtown Arkham. Just look at the sheer variety of buildings.
One of the shops along the street. The interior is fully detailed and lighted.