Google Street View - With Street View you can explore the world at street level.
Hivemapper - Build maps that reveal changes 🌏
GeoGuessr - GeoGuessr is a new way to explore the world in a gaming style.
Cat Street View - Explore Japan... as a cat.
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.
Google NightWalk - An audio Streetview tour around Marseille