European Youth Card
All young people under the age of 30 (or 26 depending on the country and region) can buy the European Youth Card in any of the participating 38 countries of Europe, where there are EYCA member organisations.
The card offers thousand disconts on culture, travel and accomodation (save money while staying at a Stayokay hostel!). Get the discount database and more information on www.europeanyouthcard.org
EYC price in 2012: €14 (valid for one year)
Dutch Museumcard: Museumkaart
For people under 25 years it costs € 22,50 per year and provides you with free (collections) or drastically reduced admission (for some temporary exhibitions) to more than 400 museums in the Netherlands.
You can apply easily on the website of the Museumkaart www.museumkaart.nl to sign up for a membership card and find out which museums are participating.