Visit us Places to stay and services Local Interest Local markets The Greenhead farmers market takes place every second Sunday throughout the year in the village of Greenhead which is near our Roman Army Museum. You can combine a visit to our museum with a trip to the market - a perfect Sunday! Dates for the 2020 Greenhead Market are: 12th January 9th February 8th March 5th April 10th May 14th June 12th July 9th August 13th September 11th October 8th November 13th December