Roadside USA
This well-funded company shrine, far off the beaten tourism track, is devoted to a product that's been collectible for longer than most of us have been alive.
http://www.roadsideamerica.com/attract/pabrazippo.html
Zippo museum USA
Welcome to the official online source for buying zippo lighters - direct from zippo manufacturing company
http://zippocasemuseum.com/