Amsterdam, maybe the most open city of the world, is small but neat. Many canals cut the old town into small pieces, connected by countless bridges.
The first thing you may notice here is the smell of the Marihuana on the street, because it is totally legal to buy and to use it here in public.
The second thing you may not want to miss is the red light district. Come here in the evening... the most beautiful girls come out only at night.
The last but not the least, the tulip exhibition at Keukenhof. It is quite internationally famous. Well, you will have to decide yourself if you like it...