Kamianets-Podilskyi Castle
... that according to legend, a tunnel leads from the Kamianets-Podilskyi Castle to the Khotyn Fortress which is 20 kilometres (12 mi) away?
... that according to legend, a tunnel leads from the <b id="mwGLU"><a href="./Kamianets-Podilskyi_Castle" id="mwGLY" rel="mw:WikiLink" title="Kamianets-Podilskyi Castle">Kamianets-Podilskyi Castle</a></b> <i id="mwGLc">(pictured)</i> to the <a href="./Khotyn_Fortress" id="mwGLg" rel="mw:WikiLink" title="Khotyn Fortress">Khotyn Fortress</a> which is <span about="#mwt54" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"20"},"2":{"wt":"km"}},"i":0}}]}' id="mwGLk" typeof="mw:Transclusion">20 kilometres (12</span><span about="#mwt54" typeof="mw:Entity"> </span><span about="#mwt54">mi)</span> away?