Lost & Found is a monthly artist salon held in one of the medieval towers of the Waag on the Nieuwmarkt. In the room where Rembrandt's 'The Anatomy Lesson of Dr. Nicolaes Tulp' once took place have since 1997 over 80 sessions of stray images and sound been organized. Artists show material which doesn't fit comfortably into regular gallery contexts; work which demands more concentration than the usual walk-by. Check the Lost & Found website for dates & times.
The Amstel river is the main river of Amsterdam. Around 1200 they build a dam in the river and that was the birth of Amsterdam (or Amstelredamme as it was called back then). This dam is now situated under the Dam square, the central square of the city. If you bike from the old city center to the south along the banks of the Amstel, as I do every day on my way to my studio, the city opens up and gives way to a lot of space. If you follow the river it will take you out of town more quickly then you'd expect since it is surrounded by a green corridor that get's larger and greener as you exit the city. In less then half an hour bike trip from the old city you can find yourself in juicy green pastures between grazing cows and sheep. Only the airplanes heading in and out of Schiphol Airport will remind you that the city is near.
De Waaghals (= The Dare-devil) is a very nice vegetarian restaurant. The atmosphere is informal, but the food is very nice, refined and creative. Organic ingredients are used as much as possible. Each month a dish focuses on a different country.
The Bartolotti is perhaps one of the most beautiful Museum Houses Amsterdam has, built by someone who once was the richest man in the city, but it's a bit hidden in plain sight. These days, it is run by a group of lovely old ladies, who can't wait to offer you tea or juice. You can walk around the house like you live there.
You have to ring the doorbell to get in.
(picture from Google, by Arjan Bronkhorst)