It's always interesting visiting houses from another era. Wander around Barossa Chateau and try to visualize how this historic house once was.
You're spoiled for sightseeing choice when visiting Lyndoch. Barossa Chateau is an ideal place to start here, but there are plenty of other fine sights to enjoy. Jacob's Creek Vineyards, Tanunda Pines Golf Club, and Chateau Yaldara are close to the historically significant residence and will top off your day nicely.