This guide is work in progress. You can also see the Genshin interactive map on mihoyo official site.
Puzzles, Secrets, and Hidden Chests in Liyue
Puzzles, Secrets, and Hidden Chests in Dragonspine
Top Mining Spots
ATK% VS Physical/Elemental DMG% in Genshin
How to make & link your MiHoYo account