The Seattle Space Needle

The Space Needle is a tower in Seattle, Washington. It is a major landmark of the Pacific Northwest region of the United States and the symbol of Seattle. Located in Seattle Center, it was built for the 1962 World's Fair, during which time nearly 20,000 people a day used the elevators — 2.3 million visitors in all for the World Fair. The Space Needle is 605 feet (184 m) high and 138 feet (42 m) wide at its widest point and weighs 9,550 tons.
The Space Needle features an observation deck at 520 feet (160 m), the SkyCity restaurant at 500 feet (152 m), and a gift shop. From the top of the Needle, one can see not only the Downtown Seattle skyline, but also the Olympic and Cascade Mountains, Mount Rainier, Mount Baker, Elliott Bay and surrounding islands.
The architecture of the Space Needle is the result of a compromise between designs. The two leading ideas for the World Fair involved businessman Edward Carlson's sketch of a giant balloon tethered to the ground (see the gently sloping base) and architect John Graham's concept of a flying saucer (see the halo that houses the restaurant and observation deck). Although Edward Carlson and John Graham most often get the credit, it was really Victor Steinbrueck who designed the Space Needle. It is built to withstand winds of up to 200 mph (320 km/h) and earthquakes up to 9.5 magnitude (which would protect the structure against an earthquake as powerful as the 1700 Cascadia earthquake) and has 25 lightning rods on the roof to prevent lightning damage....(more on www.wikipedia.com)