 Due to steep terrain and rocky cliffs, much of the land has remained unfarmable, leaving the majority of the island untouched.During World War II, a radar station was placed on top of Mount Bates, and can still be visited today.Norfolk Island National Park is home to 182 native plant species and serves as a refuge for 40 endemic plant species, 15 of which are listed as threatened (critically endangered) species under Part 13 of the EPBC Act.