New Jersey is a state of surprises. Did you know there was a castle in Passaic County? Or that Essex County's Branch Brook Park, rather than Washington, D.C., has the largest concentration of flowering cherry trees outside of Japan? Did you know you could walk through a bamboo forest on the Rutgers University campus, dig for fossils in Middletown's Poricy Brook, visit an owl haven on the site of the Battle of Monmouth, or see wild river otters...