Small planet is stock, the rest was done by me.
For those of you who like this particular piece, be sure to check out the more recent terraspace pic in my gallery, not to mention the 150 photos.
Here are a few of my favorite, though underappreciated pieces:
Antwerp City Hall: [link]
Central Park: [link]
St Anna´s Forest: [link]
Barbed wire closeup: [link]
Supernova, for those who like space art: [link]
Theres plenty more, so go check it out; my gallery has something for everyone!