Wren Building, College of William and Mary - Credit: Wikimedia Commons
The Wren Building is the oldest building on the campus of the College of William & Mary in Williamsburg, Virginia. Along with the Brafferton and President's House, these buildings form the College's "Ancient Campus." With a construction history dating to 1695, it is the oldest academic building still standing in the United States and among the oldest buildings in Virginia. It was designated a National Historic Landmark in 1960. Read more on Wikipedia
Source: en.wikipedia.org