The president's mountaintop estate is the second favorite architectural site in the commonwealth, behind Sweet Briar House at Sweet Briar College.
More than 30,000 people voted in the center's survey.
The University of Virginia's Academical Village and Rotunda make the list along with James Madison's Montpelier. Voters also selected the Blue Ridge Tunnel, Swannanoa, and John Paul Jones Arena as favorite structures.
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