Continent Icons (free)
Here are a bunch of icons of the contents of the world that I made. Feel free to use them in your projects!
SVG files: https://www.dropbox.com/sh/28poawk63kfqwi8/AABxnXV-frDhenWxgH6z2nv6a?dl=0
Credit to All hands mockup generator (Figma Plugin) for the device mock.