One day, I stumbled upon Wikitravel and found it to be a great idea that appears to be building momentum.
Places I've been
I travel a bit throughout the USA year round and have visited most of its larger cities (noticeably absent are the states of Texas, California and Massachusetts). A sampling, in order of depth and frequency of travel are as follows:
I was born in Ohio and was raised in Cleveland's East Side suburbs (an outstanding place to be from - culturally rich, ethnically diverse, East Coast sophistication in an extremely manageable, liveable and knowable (people and places) environment). In sum, I have visited and know well:
District of Columbia