Historical clue formulations

• Madrid's Teatro Real, for one — 2024-12-21
• Where a diva is likely to make a scene — 2024-06-14
• London has a "Royal" one — 2022-11-25
• San Francisco's War Memorial, for one — 2022-08-06
• Venue for trill seekers? — 2021-05-09
• View from the Sydney Harbour Bridge — 2012-08-17
• Place to take binoculars — 2012-08-09
• Diva's workplace — 2009-07-08
• Palais Garnier, for one — 2000-10-21
• Locale for binoculars — 1997-11-29