Hivemapper - Build maps that reveal changes 🌏
John's Background Switcher - Switch backgrounds to trending imgur, reddit, tumblr threads
Google NightWalk - An audio Streetview tour around Marseille
Wallcat - Enjoy a new, beautiful wallpaper, every day.
Urban Jungle Street View - Explore the world through Google Street View: Jungle Mode
Splashy - Breathtaking, auto changing wallpaper app for macOS, Windows, Linux, iOS & Android