This Breathtaking Wine Tasting Room in Portland Was Once a Train Repair & Storage Facility The old brick buildings at Thompson’s Point are filling up with new vendors as the location gains popularity for concerts and events. Before renovations began for Cellardoor Winery, you would have never known that the aged exteriors could house one of the most beautiful wine tasting rooms in Maine. Here’s what the backside of the Cellardoor building looked like in 2011, as captured by G