Roma’s Largest Bottle Tree (Brachiychiton rupestre) is over 100 years old, has a girth of 9.62m and stands 15m tall. It takes six average size men to reach around its girth. Although fully mature, it’s trunk still grows one centimetre per year. Find it at: the end of Edwardes Street, Roma QLD 4455

Tenterfield Cork Tree (Quercus suber) was brought out from England in a jam jar in 1861 and is now Australia’s largest. Cork Trees are also called Wishing Trees and said to hold magical powers which bring good luck. Although on private property, Tenterfield’s Cork Tree can still be viewed and wishes granted from the other side of the fence. Find it at: Wood St, Tenterfield NSW 2372

The Tree of Knowledge – (Eucalyptus papuana) In 1891 this old gum tree was the place where shearers met during the Great Shearers Strike, and from which they marched 3000 strong in protest against poor working conditions and low wages. It became a symbol of the future of labour and politics in Australia, and is now preserved forever under the world’s largest wind chime, which makes beautiful musical sounds in the breeze.

This arresting sculpture is suspended above the historic remains of the Tree of Knowledge, whose roots are embedded in the ground below. You can even see its root ball when the lights are on at night. Find it at: Oak Street, Barcaldine Qld 4725

Old Bottlebutt (Corymbia gummifera) is the largest Red Bloodwood tree in the southern hemisphere. This spectacular tree has significant natural heritage value with an estimated age of more than 200 years old. It is one of the largest and most unusual trees of its species, with a recorded girth of more than 16 metres just above its base. Find it at: Internal Break Rd off Bago Rd, Wauchope NSW 2446