"I saw the Trump Tower, which Dad thought was the ugliest building in America, and the United Nations, which Dad thought was incredibly beautiful."
Trump tower
GNU Free Documentation LicenseTrump tower - Credit: Witchblue/S.F. Roberti

A dispassionate observer might wonder whether Oskar's father wasn't more influenced by what the buildings represent than what they look like.

 

United Nations HQ
Creative Commons Attribution Share AlikeUnited Nations HQ - Credit: Kjetil Ree