Cool maps that exist:

Real time lightening map – https://www.lightningmaps.org

Windy – https://www.windy.com

Flightrader24 – https://www.flightradar24.com

Marine Traffic – https://www.marinetraffic.com

Stellarium Web Sky Map – https://stellarium-web.org/

How Many People are in Space Right Now? – https://www.howmanypeopleareinspacerightnow.com/ (Not a map but still cool)