William B. Dunlap Mansion, Greek Revival mansion in Bridgewater, Pennsylvania, United States.
The William B. Dunlap Mansion was a three-story brick building with cedar wood interiors built on a stone foundation. The property sat prominently overlooking the Beaver River.
The house was built in 1840 for coffee merchant James Arbuckle and later passed to Samuel R. Dunlap and his son William, who served as a Pennsylvania State Senator. These changes in ownership reflected the property's importance to the region during the 1800s.
The property contained underground tunnels discovered in the 1980s, suggesting its potential role in helping escaped slaves reach freedom in Canada.
The grounds featured one of the largest formal gardens in the area, which allowed visitors to explore the landscaped spaces. The riverside location provided visitors with scenic access to the property.
Underground tunnels were discovered beneath the property in the 1980s, suggesting it may have helped people escape to Canada. These hidden passages tell a quiet story of aid and resistance.
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