Google Street View - With Street View you can explore the world at street level.
GeoGuessr - GeoGuessr is a new way to explore the world in a gaming style.
City Guesser - City Guesser is a GeoGuessr alternative that uses real city footage. Get dropped into a random city and use surroundings like moving vehicles, people walking, and language to help you guess your location.
OpenStreetCam - OpenStreetCam that was also known as OpenStreetView, is a service dedicated to offering the real images of the most of the locations of the world.
Random Street View - Google street view on shuffle
StreetViewFun - The name of the website seems to be very funny, but it is not funny at all.