Defence Line of Amsterdam

all around Amsterdam you'll notice old foritications. Togehters these fortications made up the 'Stelling van Amsterdam' defence works of the city of Amsterdam. Some can be visited as monumenet, whereas others are converted into Hotels, Spa or use cases. The route leads you along most of the forticiations, some are easy to spot whereas others might be hidden from sight. Zoom in on the map an you can easily spot them.