The U.S. city known for its iconic Space Needle is Seattle, located in the state of Washington. This observation tower was constructed for the 1962 World's Fair and has become a symbol of the city. Standing at 605 feet, the Space Needle offers visitors panoramic views of Seattle, Mount Rainier, and the surrounding Puget Sound. The tower is a testament to technological innovation and is a popular tourist attraction that embodies the vibrant culture of Seattle.