Opened in 2001 as an in-town extension of the smaller, simpler museum at the Sieur de Monts spring in the national park, the Abbe Museum showcases a top-rate collection of Native American artifacts. It’s Maine’s only Smithsonian affiliate and one of the best museums in the state. A new core exhibit in 2016 shows off the museum’s collection of Wabanaki artifacts and contemporary art, organized around a sculpted, two-story ash tree; it incorporates interactive elements of oral history and storytelling. Temporary exhibits might focus on anything from (impressive) Wabanaki basketmaking to student art from Maine’s tribes.