If you have an Apple TV, you know the screensaver they have set up is just awesome. It’s a flyover video of various locations throughout the world, and the footage is gorgeous. Now you can have the exact same screensaver on your Mac!
Download Aerial here and you’ll be good to go.
Aerial has 10 cities throughout the world, and offers a day and night flyover of each which you can turn on and off in the screensaver options. If you have multiple displays, Aerial will allow you to show different screensavers on each display if you wish.
Aerial is free and requires macOS Mavericks and above.