The Space Needle, located in Seattle, Washington, was built in 1962 for the Century 21 Exposition, aka. By signing up, you'll get thousands of step-by-step solutions to your homework questions. the 1962 Worlds Fair. Answer to: Why was the Space Needle built? Actually.. The space needle has nothing to do with space, it is just a tourist location in Seattle, WA that is used for restaurant's. The Space Needle wasn’t the only construction built for the fair that year. So when visiting the Space Needle, it’s worth taking a … It slowly rotates and mostly just looks cool. The entire Seattle Center, from the tall legged Science Pavilion to the monorail to what is now known as the Key Arena, is all thanks to the 1962 celebration.