Adena was the 2000 acre estate of Thomas Worthington (1773-1827), sixth governor of Ohio and one of the state's first United States Senators. The mansion house, completed in 1806-1807, has been restored to look much as it did when the Worthington family lived there, including many original Worthington family furnishings.

The house is one of only three houses designed by Benjamin Henry Latrobe still standing in the United States. Latrobe is considered the first professional American architect and served as architect of the US capitol and the White House under President Thomas Jefferson.

Situated on the 300 remaining acres of the original homeplace are five out-buildings and formal gardens. Looking east from the north lawn, one can see across the Scioto River Valley to the Logan Range. This view is depicted on the Great Seal of the State of Ohio.

The house and gardens have undergoing major renovation and a new museum and education center is located on the property. At this website you may explore the Worthingtons, the house, the architect, and the restoration.