These are my personal tips -based on experience and research- for a great experience in Amsterdam! This resulted in a good list of tips! You can click on the bold text to get to the Google Maps location of the establishment.
Some nice alternative museums are Stedelijk museum (modern art) and Eye (cinema and video art, its a movie theater as well, with a bar with a wonderful view of Amsterdam).
Also have a peak inside Tuchinski, the oldest movie theater in Amsterdam build in an Art Deco style with a crazy interior.
With kids? Nemo. Fun Do it yourself museum about technology.
IJ Hallen: biggest fleemarket of Europe once every month on both Saturday and Sunday. Check website for dates. 5€ entrance. Or 9€ (early bird access) from six a.m. till 9 a m.
Winter: Amsterdam Light festival cruise.( Untill 20 January). Or walk or bike the Keizersgracht all the way.
Get the free magazine UIT Krant in the Albert Heijn Supermarkt behind the Dam Palace. For all the fun festivals, street food, live music, and musicals. Amsterdam is nummer one most cultural city according to Insider.com so check it out for your entertainment.
Complete your visit to Amsterdam, by exploring the city on its beautiful canals. For a quality tour with excellent service, we highly recommend Flag Ship