Space Needle

Edward Carlson and architect John Graham designed the Space Needle for the 1962 World’s Fair. Carlson was inspired by the Stuttgart Tower in Germany. Graham designed the revolving restaurant to be similar to La Ronde in Hawaii which he constructed in 1961.

The Space Needle is bolted to a enormous concrete slab measuring 30 by 120 feet. Each of the 72 bolts securing it to the plate are 30 feet long. This is to ensure it can withstand strong winds and earthquakes.

It was completed in April 1962 and cost four and a half million dollars to build. The observation deck is 520 feet tall, but its total height is 605 feet. During the World’s Fair, 2.3 million people visited the attraction. Annually, about 1.3 million tourists come to see the tower. Almost sixty million people have seen the Space Needle since its opening.

The Space Needle was renovated from September 2017 to August 2018. (I visited in April 2018). During this $100 million dollar Century Project a revolving glass floor was installed; known as the Loupe. Floor-to-ceiling glass, staircases, and Skyrisers were also part of the improvements made.

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