The Steuben House is said to be haunted by the ghost of Baron von Steuben, who occupied the house after the Revolutionary War. In the 1950s, witnesses reported seeing the confused ghost of Steuben ask how the war was going before disappearing. What is the Steuben House? The oldest part of the house was built in 1752 by the Zabriskie family. General Washington used the house as his headquarters in 1780. After the war, it was given to Baron von Steuben, who lived there from 1783 to 1788. The State of New Jersey purchased the house in 1928, and it is now managed by the Bergen County Historical Society. The haunted story involves the ghost of Baron von Steuben. A specific encounter occurred in the 1950s, where a witness saw the confused spirit of Steuben. The ghost reportedly disappeared after inquiring about the progress of the war.