Sweet Addiction Sweet Addiction is the first exhibition to open in the Calyx, a new world-class horticultural attraction within the Royal Botanic Garden Sydney. Sweet Addiction explores the botanic story of chocolate, and is an opportunity to experience chocolate like never before. The story begins in the depths of a tropical rainforest, and takes visitors on a journey through chocolate plantations, ancient history and a Lindt mill, culminating in the chocolatier room that hosts interactive chocolate themed activities throughout the exhibition period. The Calyx, Royal Botanical Garden, Mrs Macquaries Road, Sydney. Daily, 10am-1pm, 1pm3.45pm. Tickets: $9.50-$15. Bookings: (02) 9231 8111 or online. Until April 17. Save Our Fish From Drowning Hedar Abadi’s solo exhibition at the Casula Powerhouse, Save Our Fish From Drowning, references the social context of his new home in Liverpool after fleeing war-torn Iraq, where he worked as a propaganda painter during the authoritarian reign of Saddam Hussein. Casula Powerhouse Museum, 1 Powerhouse Road, Casula. Daily, 10am-5pm. Admission free. Inquiries: (02) 9824 1121. Until April 23. Copier Jam! Copier Jam will be showcasing zine, independent comic creators, collectives and distributors from across Australia. Publications alongside original art, workings and layout pages will be displayed in this exhibition. Freewheeling: Cycling in Australia Freewheeling explores the history of cycling in Australia. Learn more about our cycling stories and objects, and the bike’s past, present and future. The extraordinary bikes on show include Cadel Evans’s Tour de France road bike and a BMX belonging to world champion Caroline Buchanan. National Museum of Australia, Lawson Crescent, Acton Peninsula, Canberra. Inquiries: 1800 026 132. Opens April 13.