Home to Cornish people, Cornwall in the united kingdom is one of the charming tourist destinations. Visit the lost gardens of Heligan, a typical 19th century garden with different design styles and themes featuring a vast array of flora and fauna. Discover the charm of a medieval castle at Restormel Castle, ruins of an 11th century Norman castle in a circular shape. Enjoy the incredible views at Minack Theatre, an open-air theatre built on a cliff overlooking the sea. Visit Merlin’s Cave, a 330-foot long sea cave formed by marine erosion situated on the ground below the popular Tintagel castle.