Colour illustrated poster designed by Railway Studios, unknown printer. Poster shows people in a boat in the interior of Waitomo Caves with glow worms on the stalactites. At bottom of image illustration of Government Hostel Waitomo. Text at bottom of image includes sub headings: "Glow Worm Grotto" "Wonder of the World!". Text at bottom of poster details train journey: "North Island main trunk trains to Hangatiki Station thence 7 miles by connecting motors"