Maidstone-on-the-Potomac - Credit: Wikimedia Commons
Maidstone-on-the-Potomac is a historic house and farm near Falling Waters, West Virginia. Located on the Potomac River immediately opposite Williamsport, Maryland, the property consists of a tract with a main house dating from c. 1741. The house was built by Evan Watkins, who operated Watkins Ferry on the Potomac, which was used by George Washington and General Edward Braddock. Read more on Wikipedia
Source: en.wikipedia.org