Back in 2004 on the RPG.net D&Dish forums, user Thomas T. suggested the idea of a city built around the D&D monster the Tarrasque. The basic concept for the city is that, discovering that they were unable to kill the beast, a party of heroes figured out how to contain the monster; chaining and anchoring it with immoveable harpoons. A fortress was built around the chained creature, and a schedule of ritualized butchering was instituted to keep the Tarrasque from ever regaining enough strength that it could break free.
Within a generation, the wardens of the monster began to realize the incredible value of its butchery and that's exactly where I stopped reading the forum thread (after a few entries), not because the posts weren’t great (they were, and judging by the length of the thread there must be gold there) but rather because I wanted to make my Tarrasque city, because my brain was already obsessing & teasing at possibilities, and I wanted to provide as much insulation for that process as possible.
You can view the thread here http://forum.rpg.net/showthread.php?261519-D-amp-Dish-The-city-built-around-the-tarrasque
The thread made a composite Tarrasque city and you can view the pdf here. http://www.scribd.com/doc/66882907/Tarrasque-City#scribd
Salt in Wounds on the other hand is *my* Tarrasque city