You can find the one on the hill.
Climb up the hill near Dawn Winery and activate Anemo Pillar. Then you'll see wind rings in the air. Use them to reach Anemoculus.
See What is Spiral Abyss? Guide for how to get to Musk Reef.
See Time and the Wind Quest Guide for how to get to the island.
Puzzles, Secrets, and Hidden Chests in Liyue
Lisa
Liyue Side Quests, Guides, and Locations
Xinyan
How to Farm Weapon Ascension Materials
Prototype Archaic
Lithic Spear