Flight Radar 24 -- live, worldwide flight traffic
MarineTraffic -- live, worldwide shipping traffic
GeoGuessr -- A game using Google Streetview -- can you determine where you are?
Want to make better guesses? See where Google Streetview covers -- Where Google's been & where Google is headed next.
Can you beat the Map & GIS Librarian's best score of 24,943 out of 25,000?? He'll post your score if you can -- send a screen shot & contact information to the Map & GIS Librarian.