Not your ordinary halloween pumpkins...

[MA-Caver]

Someone or someones have too much time on their hands I think.. but these are just excellent.
http://www.pumpkingutter.com/pumpkins2.html
One of my favorites... regular light and interior lit...

 

[Raewyn]

Awesome!!!!!

 

[Flatlander]

That's really impressive. Wow - must have taken a lot of time, eh?

 

[jfarnsworth]

Excellent job!

 

[shesulsa]

These are beautiful and not very easy to do - have you guys tried this?

I dunno - I'm no sculptor. I tried this for three years in a row and I just don't have the touch.