Shipmap.org - 2012 Ship movement data visualized on the world map.
Planefinder.net - Real-time flight tracker.
Gapminder.org - Fact-based world view.
Windty.com - Wind map of the world. Beautiful visualizations of weather.
Hate map - Hate groups operating in the US by splcenter.org.
Cablemap.info - Greg's undersea cable map.
Active satellite information at QZ.com infographic.
Topographic maps - Maps based on land topography.
USA mapped by roads streets and highways
Howmuch - Visualizations about Money, In-depth Cost Guides, and Tools
US Marriage data @ Bloomberg - (who marries who based on job) based on US census data
Populationpyramid.net - Population pyramid graphs of the world and individual countries with projections up to 2100. Aslo see btlas
Migrationsmap.net - Map showing worlds migration, data is from 2007
Economic data visualizations:
24 Aug 2016 Chinese debt
Stock Market visualizations:
S&P500 Map @ Finviz - Standard and Poor's 500 index stocks categorized by sectors and industries. Size represents market cap.
Commercial Data providers: Statista.com - Statistics and study data from 18000 sources