Basilica of Our Lady of Hungary
... that parts of the Basilica of Our Lady of Hungary were thought to be Gothic until wall probes showed otherwise?
... that parts of the <b id="mwAdQ"><a href="./Basilica_of_Our_Lady_of_Hungary" id="mwAdU" rel="mw:WikiLink" title="Basilica of Our Lady of Hungary">Basilica of Our Lady of Hungary</a></b> were thought to be Gothic until wall probes showed otherwise?