Museum in a beautiful 17th century canal house, about the 17th century ring of canals in Amsterdam, now a UNESCO World Heritage site.
The small museum has 6 rooms with (animation) displays about the building canal system.
Takes about 1 hour.

Address:
Herengracht 386, Amsterdam
Web:
http://www.hetgrachtenhuis.nl/

Opening hours:
From Tuesday to Sunday between 10:00 and 17:00. Closed on King's Day and (first) Christmas Day.
Tickets:
Tickets can be bought at the counter, but are cheaper when purchased online.