In celebration of the village of New Castle, New Hampshire’s 400th anniversary, the Great Island Garden Club is hosting a tour of special gardens in New Castle. This is a unique opportunity to wander the charming streets of the historic district and be welcomed into the oases secreted behind the historic homes. Learn more about the town’s history with a visit to the New Castle Historical Society and refreshments will be available at the Islander Cafe and the Congregational Church. Ticket pick up is at Town Landing, 25 Wentworth Road. Tickets are valid either day. $20. Purchase online at https://portsmouthnhtickets.com/events/the-secret-gardens-of-new-castle-garden-tour-6-16-2023