ROBBINSTON: Among the many interesting historical facts about the Washington County town of Robbinston is the fact that it was one of the last stops on the Underground Railroad for people escaping the clutches of enslavers in Southern states. The John N. Brewer Sr. Mansion was a safehouse for those people before they finally made it to full freedom across the river in Canada. That house, along with one in Eastport, were the easternmost stops on the Underground Railroad.