Zippy's Giant Burgers has moved its beef-grinding, hand-forming patty operation to White Center, but the Zip Burger remains the same: a griddle-burnt patty topped with bacon and American cheese between a secret sauce–slathered Franz bun, a classic burger lover’s ideal.

It's apparently National Cheeseburger Day. And while I'm not too keen on marketing-induced holidays, there is something awfully compelling about burgers. And pictures of burgers. And so, let us pay tribute to the day with the slideshow above, displaying lascivious photos of some of Seattle's hallmark burgers, as well as a few of the crazier creations.