Activity: Monthly visits to places of interest in London accessed by public transport. Walking is involved as well as use of the Underground system. On arrival at a location we usually have professional guides to show us around. Costs involve travel and entry fees (if any) to the venue. Costs mentioned in CONTACT exclude travel. Vacancies: These groups are very popular. If you would like to join one, please contact the group leader, in the first instance, to check availability.