The Palace of Poitiers — The seat of the counts of Poitou and dukes of Aquitaine in the 10th through to the 12th centuries, where Eleanor's highly literate and artistic court inspired tales of Courts of Love.
Photo Credit: By Christophe.Finot - Own work, CC BY-SA 2.5, https://commons.wikimedia.org/w/index.php?curid=2167393