Saratoga campaign
The British abandoned the fort after the failure of the Saratoga campaign, and it ceased to be of military value after 1781. After gaining independence, the United States allowed the fort to fall into ruin; local residents stripped it of much of its usable materials. Purchased by a private family in 1820, it became a stop on tourist routes of the area. Early in the 20th century, its private owners restored the fort. A foundation now operates the fort as a tourist attraction, museum, and research center.