Funded by the National Institute on Disability, Independent Living, and Rehabilitation Research (NIDILRR) at the Administration for Community Living - in HHS. Southeast Region (region 4) page is at: http://adata.org/find-your-region#region4
Find accessible places to go, worldwide. For each venue, has an access guide - "short report that outlines the disabled and access features at a particular venue."
Also has "accessibility checker" of some retail chains.