Daily Infographic is a site that does exactly was you think it does, it provides a daily inforgraphic on a range of different topics. There are a possible 23 categories that you can search through and find to possible share with students or faculty and staff. I could see these being used in a broad array of topics in the classroom. Even if they are not math specific, math teachers could still use them to discuss statistical data. There are categories that could relate to all the other subject matters within a school. I have already found a couple and sent them on to several teachers. See the image below of the categories that Daily Infographic has to offer.
If you really enjoy infographics you can subscribe to their RSS feed as well.