Smaller than Australia, New Zealand has many natural features and recreational opportunities and activities. The North Island features the busy metropolis and is home to the world yacht racing capital of Auckland. The South Island offers mountainous terrain and glaciers. Cruise itineraries through Australia and New Zealand include longer Pacific voyages and are often part of World Cruise itineraries. Located in the Southern Hemisphere, the summer begins in December there, however the mild climates makes both destinations attractive cruise choices during any time of the year.