A beautiful sewer, a stylish pipe, a sleek tunnel. It's possible; and it's wonderful!

I know I posted this video a while ago, but it still amazes me. So I looked further into the stories.

On flickr, there's an entire group dedicated to Urban Exploration throughout the world.
http://www.flickr.com/groups/urbex/pool/

While I was searching, I came across a few pictures that really moved me (taken with a slow shutter):



and I have to include this one, because this station itself amazes me:



You can view (or buy) the rest of the pictures from this specific photographer here:
http://undercity.imagekind.com/