Behind the Rosehill Community Center at the corner of 3rd Street and Lincoln Avenue, the tiny Mukilteo Historical Museum (425/355-2514, 1–3 p.m. Sat. Oct.–Mar., free) houses photos, artifacts, and rotating exhibits.
The Edmonds Historical Museum (118 5th Ave. N, 425/774-0900, 1–4 p.m. Wed.–Sun., free) has a working shingle mill model, historical photos, a marine room, model trains, and other displays depicting Edmonds’s  past.