Unfortunately it’s not in Amsterdam but De Pont, museum of contemporary art is worth the 1,5 hour trip with the train. The building itself is beautiful, it’s a former wool mill but also there collection is worth seeing!
It's a very small museum in the Hermitage about art made by outsiders. It's also known as 'Art Brut', a name given to it in 1972 by French artist Jean Dubuffet. It simply means that it is art made by people that don't fit in the normal life structure that humans suppose to have. Which can mean that the art is made by people who are in jail, who are ill, have a mental dissability or another way of not fitting into the community. The exhibitions are quite small, so it takes you just around an hour. And the hermitage has a nice canal view.
Smack in the middle of tourist district and right on the border of the red light district. My good friend (and super talented photographer Qiu Yang, check it out folks!) is part of the furniture there and because of him, we - his friends - are allowed to order outside of the menu. So none of that westernized mild gruel, but the real spicy tongue-numbing-deal. Before going out to parties, after gallery openings or just when we’re hungry, our bunch always gathers there. Good times!