Ouagadougou Grand Market, one of the largest markets in West Africa, which burned in 2003 and has since been reopened.
The central market is vast, covering a number of buildings, streets and open air areas. If you are an obvious foreigner you are likely to be hassled a lot. Market vibe is safe, and you can pretty much find anything you want.
French Cultural Centre, Proposes both local and imported concerts dance pieces and theater. The bar/retaurant there is a popular meeting spot. It also features an air-condtioned library where you can read newpapers and magazines. Located on the same road as the main post office