Visit Dover Castle | English HeritageHigh atop the iconic White Cliffs of Dover sits the most iconic of all English fortresses. From the mighty medieval keep to the labyrinth of secret wartime tunnels below, a family day out at Dover towers above all others.History-making days out from £23 per adult Rising above the famous White Cliffs high above the Channel, Dover Castle is an icon of England. Built soon after 1066, this mighty fortress has been the site of royal intrigue and epic sieges, and was at the https://www.english-heritage.org.uk/visit/places/dover-castle/