A canal tour is a great way to start 1 the city and it's probably the best approach to Amsterdam. After all the city was founded and has developed around its canals and there's nothing like a boat trip to give you a 2 of Amsterdam. There are lots of places to board the canal tours, several cruise companies that run tours and many different itineraries to 3 from.
The tours 4 you to see most of the highlights of the city. It feels a bit like mass tourism at first but as soon as you start seeing the beautiful houses that line the canals and the boat-houses and the bridges, you'll start enjoying thae 5.