Amsterdam
A map highlighting tram routes in the city centre.
http://www.cwi.nl/~steven/amsterdam.gif

Amsterdam Anything
Just click on the link marked "City", to access a fun interactive tourist map of Amsterdam, which highlights the city's major sites and gives a brief description of each of them.
http://www.amsterdam-anything.nl/

Amsterdam Museums and Galleries
An interactive maps that details major attractions in the city.
http://www.amsterdam-museums.com/maps.html

Amsterdam-by Helicopter.com
Zip around Amsterdam in a virtual helicopter.
http://amsterdam.by-helicopter.com/

Channels.nl
Quick-reference tourist map.
http://www.channels.nl/themap.html

Hot-Maps
Detailed interactive street map of Amsterdam.
http://www.hot-maps.de/europe/netherlands/amsterdam/homede.html

MetroNet Amsterdam
Map of the Amsterdam metro system.
http://www.reed.edu/~reyn/AMSTERDaM.GIF

Routnet
Plan your journey with this online route finder.
http://www.routenet.nl/

World.NYCSubway.org
Amsterdam tram track map.
http://world.nycsubway.org/eu/nl/ams-trackmap.html