You can spend an afternoon exploring the galleries in Holbrook Submarine Museum during your trip to Holbrook. You can enjoy the restaurants while in the area.
You can spend an afternoon studying the exhibits at National Museum of Australian Pottery during your travels in Holbrook. While you're in the area, wander around the gardens.
You can find out about the history of Culcairn with a trip to Culcairn War Memorial Swimming Pool. Amble around the area's parks or visit its monuments.