Glendower, now known as Glendower Historic Mansion and Arboretum, is a historic Greek Revival style house located at 105 Cincinnati Avenue, U.S. Route 42, Cincinnati Avenue, in Lebanon, Ohio. It was built in 1836 by Amos Bennett for , a Lebanon merchant, and named for Owain Glyndŵr (often anglicised as "Owen Glendower"). It has been called "one of the finest examples of Residential Greek Revival architecture style in the Midwest." On November 10, 1970, it was added to the National Register of Historic Places.