Here are a bunch of unbuilt postmodern skyscrapers from the 80s and 90s:
Rockefeller Center West by KPF, 823 ft, NYC 1988
Canary Wharf Office Tower by KPF, London 1986
Ameritrust Center by KPF, Cleveland, 1,198 ft, 1988
Block 265 supertall by KPF, 1,231 ft, Houston 1982
Travelstead Tower at 383 Madison Avenue, 1,080 ft, NYC 1985
New Orleans office tower by Cesar Pelli, 1983
Indiana Tower, Indianapolis, by Cesar Pelli 1980. 750 ft limestone observation tower with a spiraling interior ramp to the top.
Society Center by Cesar Pelli, Hartford CT, 696 ft, late 1980s
Houston skyscrapers by Kevin Roche, 1981
Denver skyscrapers by Kevin Roche, 1981
300 East Pratt Street by Kevin Roche, Baltimore 1988, 32 stories
Republic Bank Building by Michael Graves, San Antonio 1982
Hotel and Entertainment complex at 43rd street and 8th Avenue, NYC, by Robert Venturi and Denise Scott Brown, 1994
Jacksonville office towers by Robert Venturi and Denise Scott Brown, 1985
David Childs/SOM original proposal for Time Warner Center, NYC 1989
Dearborn Center, Chicago, by Adrian Smith/SOM, 1989. 1,135 ft
180 Allyn Street, Hartford CT, by SOM (1990) 801 ft
Cutter Financial Center, Hartford CT, by Russell Gibson von Dohlen Architects, 878 ft 1988
Columbus Center, NYC, by Moshe Safdie 1985. 70 stories ~900 ft
Times Square redevelopment, 1984. Buildings and master plan by Philip Johnson/John Burgee, Big Apple sculpture by Robert Venturi and Denise Scott Brown
Block 37 Chicago, mall and towers, by Helmut Jahn 1983
60 Wall Street proposal by Helmut Jahn, NYC 1983
Broadway and 52nd Street tower by Helmut Jahn, NYC 1985
Fountain Square West by Helmut Jahn, Cincinnati 1985
South Ferry Plaza by Helmut Jahn, NYC 1985, over 1,000 ft
