The Humana Building, which is also commonly referred to as the Humana Tower, is a skyscraper that was designed by architect Michael Graves. This building is located in Louisville, Kentucky and was constructed in 1985. It is a 26-story skyscraper that serves as the headquarters of the Humana Corporation . The architectural style of this building is postmodern architecture. Each side of the building has a slight different design and it slopes upward similar to a pyramid. This design has lead many people to refer to this building as “the milk carton”. The Humana Building’s exterior was constructed of a unique flat pink granite.