Château de Blois
Built on the highest point of the park in 1966, the DNA Tower is a white high double helix staircase that has 101 steps and was inspired by a double staircase in the Château de Blois in France. Its design resembles the deoxyribonucleic acid (DNA) molecule. The paving below the DNA Tower is made with stones sent from 11 towns and 80 shires in Western Australia.