| 100% | AIDA | 4 | Opera that opens in Memphis |
| 67% | AIDA | 4 | Verdi opera that begins in Memphis |
| 60% | AIDA | 4 | Opera that was adapted into a musical that opened on Broadway in 2000 |
| 57% | HONKYTONKWOMEN | 14 | No. 1 Stones hit that opens, “I met a gin-soaked barroom queen in Memphis” |
| 55% | LABOHEME | 8 | Opera that opens on Christmas Eve |
| 53% | LOUVRE | 6 | French museum that opened in 1793 |
| 53% | TATEMODERN | 10 | London museum that opened in 2000 |
| 53% | COTTONCLUB | 10 | Harlem nightspot that opened in 1923 |
| 53% | CANAL | 5 | Panama ___ (waterway that opened in 1914) |
| 52% | ANASTASIA | 9 | 1997 Disney film that opens in Petrograd |
| 52% | ERIE | 4 | New York canal that opened in 1825 |
| 52% | PANAMA | 6 | Ocean-connecting canal that opened in 1914 |
| 52% | ERIE | 4 | New York canal that opened in 1821 |
| 52% | PORES | 5 | Skin features that open in a sauna |
| 52% | SAVOY | 5 | London luxury hotel that opened in 1889 |
| 52% | AIDA | 4 | Opera that premiered in Cairo |
| 51% | POPUP | 5 | Ad that opens in a new window: Hyph. |
| 51% | EPCOT | 5 | Walt Disney World park that opened in 1982 |
| 51% | AIDA | 4 | Opera that aptly premiered in Egypt |
| 51% | AIDA | 4 | Opera that premiered in 5-Across |
| 50% | TOSCA | 5 | Opera that premiered in Rome in 1900 |
| 50% | AIDA | 4 | Opera that debuted in Cairo in 1871 |
| 50% | SINKHOLES | 9 | Craters that open in the ground with no explanation |
| 50% | KINGS | 5 | & 18D Central London railway terminus that opened in 1852 |
| 50% | LABOHEME | 8 | Opera that starts in a Paris garret |
| 50% | PLACKET | 7 | Opening in a garment that hides buttonholes |
| 49% | AIDA | 4 | Opera that appropriately had its premiere in Cairo |
| 49% | CAVE | 4 | Opening in a mountain that may be explored |
| 48% | HOLLYWOODBOWL | 13 | Los Angeles outdoor performance venue that opened in 1922 (2 wds.) |