We got our bearings in Amsterdam by taking a Canal Bus ticket - did all three lines before it ran out at midday the day after buying. We're kicking ourselves for not buying the Museum Card - it has national coverage, which we didn't realise. It can also save you queueing to buy tickets, just buy at the first museum you go to, €39 per adult. Ann Frank House is not included, but you can buy tickets in advance online for that one - it's the only place with long queues.
The Modern Art Museum is closed but is partially relocated to the old post office, the Maritime museum is currently closed, and the Rijksmuseum is being renovated but has a condensed version of its collections on display in one wing including Rembrandt's 'Night Watch'. If you like van Gogh, it's worth going to the Kroller-Muller Museum in the Hogue Veluwe National Park, as they have a great collection of modern, VG and old masters.
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