The airport we landed in is AMS Schiphol. To get the Amsterdam Centraal we took a train. On 2009-04-13, a second class ticket from a ticket machine costs 3.90 EUR one way.
This cat museum has posters and other cat related art. On 2009-04-12 admission cost is 5 EUR. It is worthwhile if you enjoy cats.
On 2009-04-12 we saw an exhibition of work from Richard Avedon. It cost 9 EUR.
Their website is at http://www.foam.nl/