The U.S. Government Accountability Office has recently written about their propensity for data visualizations like charts and graphics, while also inviting viewers to look through some of their archives. One example:
Throughout GAO.gov we now have about 40 interactive graphics, mainly focused on topics related to the federal debt and the federal, state, and local fiscal outlooks. This content is highly relevant to public debates, and is now in a format that people can easily see, explore, and use on computers, tablets, and smartphones.
Head over to GAO.gov to check them out.