Ball Pyramid - the world’s tallest sea stack. It is the remains of a shield volcano formed about 7 million years ago, located southeast of Lord Howe Island in the Pacific Ocean. Ball's Pyramid is part of the Lord Howe Island Marine Park in Australia.
An experiential guide to exploring the top sites and destinations in Australia including Sydney, the Great Barrier Reef, Uluru, Melbourne and more. The ultimate Australia itinerary + practical tips for your trip.