Explore the history of the various prehistoric farmers who settled in Ireland, from the Mesolithic period to the time of the Norman Invasion (1169). Reconstructed dwellings such as a mesolithic camp, a neolithic farmstead, a portal dolmen, a cyst grave, stone circle, medieval ringfort, monastic site, crannóg (ancient lake dwelling) and a Viking harbour are spread across 35 acres of parkland, estuary trails and wetland forest. The park also runs demonstrations on traditional rural life skills from blacksmithing to gold panning. This is a truly immersive experience exploring Ireland's roots and forgotten traditions.

Mason Bowl has been a local favorite for over 50 years, and it’s easy to see why. With 18 lanes, automatic scoring, and bumpers for the kids, it’s a spot the whole family can enjoy. When you need a break from bowling, there’s a full-service restaurant and bar to grab a bite or a drink.

The Josiah Dennis Manse, built in 1736, stands as one of the oldest buildings in Massachusetts. Once home to the town's namesake, Reverend Josiah Dennis, the manse now serves as a museum showcasing artifacts from his life and the early days of Dennis. Explore exhibits dedicated to his children's room, spinning and weaving techniques, and other aspects of 18th-century life. The complex also includes the 1745 schoolhouse, offering a glimpse into the history of education in the region.