My first point of comparison is the time these two journeys happened in the past. St Brendan was born near Tralee in 484 and set out on his voyage to England around 512AD. This contrasts with Robert Smithson’s Tour of the Monuments of Passaic as this took place in 1967. These were two completely different time frames in history. During the time of St. Brendan’s voyage, the world was believed to be flat,