Vischpoort city gate
... that the 14th-century Vischpoort city gate in Harderwijk, Netherlands, later served as a lighthouse?
... that the 14th-century <b id="mwBAM"><a href="./Vischpoort" id="mwBAQ" rel="mw:WikiLink" title="Vischpoort">Vischpoort city gate</a></b> <i id="mwBAU">(pictured)</i> in <a href="./Harderwijk" id="mwBAY" rel="mw:WikiLink" title="Harderwijk">Harderwijk</a>, Netherlands, later served as a lighthouse?