The oldest building is the 1858 Colonial Cottage in Mount Cook. The tallest building is the Majestic Centre on Willis Street at 116 metres high, the second tallest being the structural expressionist Aon Centre (Wellington) at 103 metres. Futuna Chapel in Karori is an iconic building designed by Māori architect John Scott and is architecturally considered one of the most significant New Zealand buildings of the 20th century.