There are several fun and interesting things to do in Owen Sound. Here are some suggestions:

1. Visit the Owen Sound Marine & Rail Museum: This museum features exhibits and artifacts related to the city's maritime and railway history, including a restored CN Rail station, a lighthouse, and several boats.
2. Explore Harrison Park: This beautiful park features hiking trails, a playground, a swimming pool, picnic areas, and a stunning waterfall.
3. Check out the Tom Thomson Art Gallery: This gallery showcases the work of local and regional artists, as well as pieces from the gallery's permanent collection, which includes works by Tom Thomson and the Group of Seven.
4. Go to a show at the Roxy Theatre: This historic theatre hosts a variety of live performances, including music, theatre, and comedy shows.
5. Visit the Grey Roots Museum & Archives: This museum and archives features exhibits and artifacts related to the history and culture of Grey County, including a replica pioneer village, a First Nations gallery, and a virtual reality experience.
6. Take a scenic drive along the Niagara Escarpment: This stunning geological formation runs through the region, offering breathtaking views of cliffs, forests, and waterfalls.
7. Enjoy the outdoors at Inglis Falls Conservation Area: This beautiful park features hiking trails, picnic areas, and a stunning waterfall.
8. Explore the local farmers' market: The Owen Sound Farmers' Market offers a wide variety of fresh produce, baked goods, crafts, and more.
9. Go fishing on Georgian Bay: Owen Sound is located on the shores of Georgian Bay, offering opportunities for fishing and boating.
10. Attend a local festival or event: Owen Sound hosts several festivals and events throughout the year, including the Summerfolk Music and Crafts Festival, the Owen Sound Salmon Spectacular, and the Festival of Northern Lights.