In the 1932 Olympics in Berlin, they awarded medals in urban planning. Seriously.
Gold: Werner March and Walter March (GER) - Reich Sport Field
Silver: Charles Downing Lay (USA) - Marine Park, Brooklyn
Bronze: Theo Nußbaum (GER) - Municipal Planning and Sporting Centre in Cologne
Also, at the 1948 London Olympics.
Gold: Yrjö Lindegren (FIN) - "The Centre of Athletics in Varkaus, Finland"
Silver: Werner Schindler and Edy Knupfer (SUI) - "Swiss Federal Sports and Gymnastics Training Centre"
Bronze - Ilmari Niemeläinen (FIN) - "The Athletic Centre in Kemi, Finland"