Case In Point: HerStoryOfTheWorld.com

Again, from the ‘wish it existed’ category. A Wikipedia-like site devoted to a female-centric history of the world. Her Story of the World! This would be a large project. Probably best represented by a university or well-funded non-profit.
Well why, if you want it to exist, would you be asking $6k for it? Wouldn’t you want to make it available for free to someone wanting to bring it into existence?
Think about it. If you care enough about the idea to have sought out and acquired the domain, wouldn’t you want it to go to someone, or some organization that could afford $6k to buy it? Wouldn’t that at least give you some assurance that they were serious about the project?