FULL TITLE: Roman mega-villa bigger than the Taj Mahal is found in Oxfordshire packed with trophies including coins and boar tusks alongside the sarcophagus of a woman The historic Roman structure is the second largest ever discovered in the UK The foundations measure 85m by 85m (278ft x 278ft) and date back to 99 AD It lies beneath a crop in a field near Broughton Castle near Banbury, Oxfordshire The land is owned by the third cousin of actor Ralph Fiennes Archaeologists discovered a sarcophagus inside the villa with the skeletal remains of an unknown woman