Join Zack for the 100^th Anniversary and Customer Appreciation Day at Polar Caves in Rumney! Enjoy the Cool-Caves, LIVE music with the Newfound Grass Band, crafts …and a ton of Family Fun…at Polar Caves 100^th Anniversary & Customer Appreciation Day Saturday the 20^th. Have your youngsters bring a bathing suit and change of clothes so they can enjoy the water activities.