Description : What are those old Irish guard towers called?
Last Answer : James Joyce called them Martello Towers. However the castle in your photo is much larger and more elaborate, so I could easily be wrong. His first chapter takes place in one of them on ... , in Sandycove, overlooking Dublin bay. : http://en.wikipedia.org/wiki/Ulysses_(novel)#Part_I:_The_Telemachiad