Walmer Castle was constructed in 1540 as one of Henry VIII's innovative chain of coastal defense fortifications, later transformed into an elegant stately home with magnificent gardens. The castle became the official residence of the Lord Warden of the Cinque Ports, hosting an extraordinary succession of notable figures including the Duke of Wellington and Queen Elizabeth, the Queen Mother. Eight acres of distinctive gardens feature herbaceous borders, woodland walks, a kitchen garden, the Queen Mother's contemporary garden, and a striking yew cloud hedge, all complemented by wildflower meadows and sea views. Managed by English Heritage and open daily to visitors, Walmer Castle exemplifies the successful evolution from martial stronghold to cultural landmark while maintaining its historical significance.