This looks like it would be fun to ride around ... anywhere ... on. Plus, just think of the reaction you would get rolling on 4" tires

Sheldon Brown's writeup is here: http://www.sheldonbrown.com/harris/surly-pugsley/

Plus, check out these guys and their adventures in pictures on Pugsleys: http://www.flickr.com/photos/vikappr...57610461277546