The Space Needle is an observation tower in Seattle, Washington, United States. Considered to be an icon of the city, it has been designated a Seattle landmark. Located at 400 Broad Street in the Lower Queen Anne neighborhood, it was built in the Seattle Center for the 1962 World's Fair, which drew more than 2.3 million visitors.
At 605 ft (184 m) high, the Space Needle was once the tallest structure west of the Mississippi River in the United States.