Seattle Tower

The Seattle Tower, originally known as the Northern Life Tower, is a 27-story skyscraper in downtown Seattle, Washington. The building is located on 1218 Third Avenue and is known as Seattle's first art-deco tower. Its distinctive, ziggurat exterior is clad in 33 shades of brick designed to effect a gradient which lightens from the bottom to the top of the building. This is said to have been inspired by local rock formations.According to the US National Park Service website:The building was added to the National Register of Historic Places in 1975 and is also a designated city landmark.