It can be found near the coastline on the north end of town. The Museum of Mythic Dawn, known as Silus Vesuius’s house in-game, is the museum the pamphlet referred to. Should you reach travel to Dawnstar before the courier delivers the invitation, you can walk up to the museum to start the quest. After you reach level 20, a courier will deliver an invitation to visit a new museum in Dawnstar.
