The Space Needle is a tower

Tower

A tower is a tall structure, usually taller than it is wide, often by a significant margin. Towers are distinguished from masts by their lack of guy-wires....

 in Seattle, Washington

Seattle, Washington

Seattle is the county seat of King County, Washington. With 608,660 residents as of the 2010 Census, Seattle is the largest city in the Northwestern United States. The Seattle metropolitan area of about 3.4 million inhabitants is the 15th largest metropolitan area in the country...

 and is a major landmark of the Pacific Northwest

Pacific Northwest

The Pacific Northwest is a region in northwestern North America, bounded by the Pacific Ocean to the west and, loosely, by the Rocky Mountains on the east. Definitions of the region vary and there is no commonly agreed upon boundary, even among Pacific Northwesterners. A common concept of the...

 region of the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 and a symbol of Seattle. Located at the Seattle Center

Seattle Center

Seattle Center is a park and arts and entertainment center in Seattle, Washington. The campus is the site used in 1962 by the Century 21 Exposition. It is located just north of Belltown in the Lower Queen Anne neighborhood.-Attractions:...

, it was built for the 1962 World's Fair

Century 21 Exposition

The Century 21 Exposition was a World's Fair held April 21, 1962, to October 21, 1962 in Seattle, Washington.Nearly 10 million people attended the fair...

, during which time nearly 20,000 people a day used the elevators, with over 2.3 million visitors in all for the World Fair. The Space Needle is 605 feet (184.4 m) high at its highest point and 138 feet (42.1 m) wide at its widest point and weighs 9,550 tons

Short ton

The short ton is a unit of mass equal to . In the United States it is often called simply ton without distinguishing it from the metric ton or the long ton ; rather, the other two are specifically noted. There are, however, some U.S...

.