Underground Mine Tour: 3 Tickets. Kind of like spelunking but safe! Enjoy 3 passes to the underground Mine Tour at The Sterling Hill Mining Museum in Ogdensburg, New Jersey. Experience the thrill of touring 1/4 of a mile of tunnels, viewing a spectacular mineral fluorescence display in a natural environment, and learning about metal mining and the men and machinery that made it all work. Learn more at: www.sterlinghill.org