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The Boab Prison Tree - The Boab Prison Tree is a hollowed out Adansonia gregorii located south of Derby, WA.

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Prisoners - A myth surrounds the tree that Indigenous Australian prisoners used to be locked up in the tree during the 1890s while on the way to Derby for sentencing.

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Hillgrove Lockup - The site is the best known boab prison tree, there is also another located in Wyndham, WA, and was once known as Hillgrove Lockup.

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Cazneaux Tree - This tree became famous when famous photographer Harold Cazneaux took a photo of the landscape in 1937.

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Photographer - The tree, located in Wilpena Pound SA, was later named after the photographer that made it famous. 

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Landmark - According to Tree Science, "This photograph earned international acclaim, and has become an important local landmark with many people photographing and painting it."

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The Herbig Tree - This strange looking tree housed German-born Johann Friedrich Herbig in 1855. He married and began his family living in the trunk until their second child came along when they needed more space.

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Live in tree - Herbig found the tree on the land he bought in Springton, SA and decided it was suitable to live in.

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The Canoe Tree - Between Strathalbyn and Goolwa, SA is the Canoe Tree.

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Carved - A perfect 5m canoe shape has been carved out of the bark. The scar has remained to make the tree look striking.

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Tools - Aboriginal Australians built tools, implements and weapons, created out of wood and bark. It is assumed this particular tree was used for a canoe.

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King Tree - The King Tree is a giant red gum. It is one of the oldest trees in Australia at over 500 years old.

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Circumference - The tree measures almost 11m in circumference.

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Orroroo - The King Treet is located in the Wirrabara Forest near Orroroo, SA.

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Diamond Tree - The Diamond Tree was used as a fire-lookout built it 1939.

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Lookout - The lookout reaches 51m high and is the oldest wooden viewing platform still in use today.

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Manjimup - The Diamond Tree is a large Karri tree which is located south of Manjimup, WA.

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The Lone Gum - The Lone Gum is a single coolabah tree isolated in the Simpson Desert, SA.

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Simpson Desert - It is uncertain how the coolabah grew in such unaccommodating conditions. But nowadays it is fenced off so cars cannot disrupt the root system of the lonely tree.

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Mystery - It is a mystery as to how and why the tree survives in the desert and how it continues to flourish.

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Gloucester Tree - The Gloucester Tree is another famous Karri tree that was used as a fire-lookout. It is located in the Gloucester National Park, WA.

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World's second tallest - This fire-lookout tree is the second tallest in the world, with the viewing platform at 72m high.

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Visitors gallery - Once made of wood, the ladder and look out is now made from aluminium and steel.

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Curtain Fig Tree - The Curtain Fig Tree is a strangler fig tree located near Yungaburra, QLD.

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Draping - Dropping from 15m high the roots fall towards the ground, draping like a large curtain.

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Largest - This is one of the largest trees in Northern QLD.

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The Grandis - The Grandis is a flooded gum tree located west of Bulahdelah, NSW.

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Tallest in NSW - This tree is 76.2m tall and is known as the tallest tree in NSW.

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Over 400 years - It is estimated to be over 400 years old, making it one of the oldest tree in the state.

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