Secrets. Scandals. Skeletons... Cockatoo Island, the largest island on Sydney Harbour, has its fair share of all three. Find out for yourself with our intrigue-filled Dark Past Tour (previously 'Haunted History Tour'). As day bleeds into night, you'll visit iconic landmarks and buildings from different eras, including the convict workshops, Dog Leg Tunnel and Biloela House. Plus, our guide will blend history with mystery to captivate your imagination! Book tickets for our regularly scheduled Dark Past Tour, which runs every Saturday, or arrange a private tour for your group... Want to up the ante? Check out Cockatoo Island's Ghost Tour (18+).