Indian mausoleum (3,5)
I believe the answer is:
taj mahal
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">indian mausoleum</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for taj mahal that I've seen before include "Mausoleum of Mogul empress" , "Famous mausoleum in Agra in northern India" , "Agra wonder" , "Mausoleum at Agra built in memory of emperor's favourite wife" , "Agra memorial" .)