Monsanto Tower

The Monsanto Tower (Torre de Monsanto) is a 394 ft skyscraper in Oeiras, a town and municipality to the west of Lisbon which is part of the Portuguese capital's urban agglomeration. Finished in 2001, the 17-floor building is the second tallest in Portugal. Lisbon-based architectural firm Sua Kay Architects designed the 21,000 m2 office building.