Peter Hughes on Flickr The Multangular Tower. This tower formed the north west corner of the Region legionary fortress of Eboracum. It was built about 300 A.D. on the site of an older and simpler tower. The larger stonework at the top is medieval. Museum Gardens, York by National Association of Master Monumental Masons Colour: stone Wikimedia: Flickr: How to add yours Keith Seabridge on Flickr Peter Hughes on Flickr Keith Seabridge on Flickr Google Streetview OpenStreetMap