Monastery of Santa Clara-a-Velha
...that the Gothic Monastery of Santa Clara-a-Velha in Coimbra, Portugal, stayed abandoned under mud and water for over 300 years before it was rescued in an archaeological intervention?
...that the <a href="./Gothic_architecture" id="mwFhk" rel="mw:WikiLink" title="Gothic architecture">Gothic</a> <b id="mwFho"><a href="./Monastery_of_Santa_Clara-a-Velha" id="mwFhs" rel="mw:WikiLink" title="Monastery of Santa Clara-a-Velha">Monastery of Santa Clara-a-Velha</a></b> <i id="mwFhw">(pictured)</i> in <a href="./Coimbra" id="mwFh0" rel="mw:WikiLink" title="Coimbra">Coimbra</a>, <a href="./Portugal" id="mwFh4" rel="mw:WikiLink" title="Portugal">Portugal</a>, stayed abandoned under mud and water for over 300 years before it was rescued in an <a href="./Archaeology" id="mwFh8" rel="mw:WikiLink" title="Archaeology">archaeological</a> intervention?