Willis Tower . In 1982, two antennas were installed on top of the Sears Tower which brought its total height to , making it taller than the John Hancock Center but not One World Trade Center. However, the extension of the Sears Tower's western antenna in June 2000 to allowed it to just barely claim the title of tallest building by pinnacle height. On May 25, 1981, Dan Goodwin, wearing a homemade Spider-Man suit while using suction cups, camming devices, and sky hooks, and despite several attempts by the Chicago Fire Department to stop him, made the first successful outside ascent of
Joshua Sears Building "SEARS". The second entrance is centered on the east facade and bears many of the same features: pressed metal pediments, etc. The Sears Building was built in 1891 by Boston millionaire, philanthropist and Kirkland investor Joshua Montgomery Sears as part of the speculative land boom following Peter Kirk's proposal of building a steel producing mecca that would rival Pittsburgh on the east side of Lake Washington. The building cost $18,000 to build, at the time the most expensive being built in Kirkland outside of the steel mill itself. The bricks were pressed from local clay at Peter Kirk's own brick