Goodwin's plan included his climbing up the building and connecting cables to the floors to enable rescue baskets to be ferried to and from helicopters.

The fire chief told Goodwin he needed to climb a building to learn of the dangers of high-rise firefighting and rescue.

On Memorial Day, May 25, 1981, wearing a Spider-Man suit and using suction cups, camming devices, and sky hooks, Goodwin scaled the then-tallest building in the world, the 110-story Sears Tower in Chicago, Illinois.

For seven hours, Goodwin fought the high-altitude winds, slippery glass, and repeated attempts by the Chicago Fire Department to stop him.

[1][2][3] On November 7, 1981, wearing a Spider-Man suit and using suction cups along with his hands and feet, Goodwin scaled the 56-story Renaissance Tower in Dallas, Texas.

[2] On November 11, 1981, wearing a wetsuit disguised as a Spider-Man suit and using a climbing device he designed for the building, Goodwin scaled the 100-story John Hancock Center in Chicago.

[2][4][5] On Memorial Day, May 30, 1983, using suction cups for the first four floors before switching to a camming device he connected to the building's window-washing track, Goodwin scaled the North Tower of the World Trade Center in New York City.

[2][6][7] On June 26, 1986, Goodwin scaled the world's tallest structure (not building) at the time: the CN Tower in Toronto, Ontario.