The tower is a remnant of a world's fair there.............as the Sunsphere in Knoxville, Tn is still there b/c of the 1982 world's fair there...........

1. Seattle

   City in Washington
2. Seattle, on Puget Sound in the Pacific Northwest, is surrounded by water, mountains and evergreen forests, and encompasses thousands of acres of parkland (hence its nickname, "Emerald City"). It’s home to a thriving tech industry, with Microsoft and Amazon.com headquartered in its metropolitan area. The futuristic Space Needle, a legacy of the 1962 World’s Fair, is its most recognizable landmark.
3.