Where do you start? Amsterdam has such a wealth of fabulous buildings and some deeply horrible ones as well. Every year there is a poll to find the city's worst building; the ridiculous Ibis Hotel next to Central Station is always in the top three - how anybody got permission to build that monstrosity is a mystery. The Dutch central bank building on the Fredriksplein is also a popular nominee. The Parool newspaper has photos of the worst
Cees Noteboom has written a book on 25 buildings in Amsterdam you should not miss.
The city's own office of list of the city's top 100 buildings.
The Amsterdam Centre for Architecture Arcam has a wealth of information and is housed itself in a very wacky structure on the Prinshendrikkade water front.