| 100% | JOKER | 5 | It's not found within the four corners of this puzzle |
| 46% | CTR | 3 | Abbr. found at the 56-Down of this puzzle's four longest answers |
| 42% | RETURNADDRESS | 13 | It's often found in the upper-left corner of an envelope |
| 42% | CAPITALI | 8 | It's found at the start of this clue |
| 41% | SCOPE | 5 | "That's not within the ___ of this investigation" |
| 41% | MIXEDBLESSING | 13 | It's not all good ... and it's literally found in this puzzle's circles |
| 41% | HORSEMEN | 8 | It's said four of these will bring the apocalypse |
| 41% | FIRSTAMENDMENT | 14 | Source of the freedoms found at the ends of this puzzle's four other longest answers |
| 41% | OLD | 3 | Unlike the starts of this puzzle's four longest answers |
| 39% | THREE | 5 | First digit of this puzzle's subject, whose next four digits are the number of rows and then columns of the grid |
| 39% | FOOT | 4 | Body part whose parts are aptly found at the bottom of this puzzle's four longest answers |
| 38% | SALT | 4 | Theme of this puzzle, found in the answers to 21-, 26-, 44- and 52-Across |
| 37% | WORLDSTALLESTSKYSCRAPER | 23 | The subject of this puzzle, on 5/1/31, the day it opened |
| 37% | ATM | 3 | It might be found in the corner of a corner store |
| 37% | ROUTESIXTYSIX | 13 | Theme of this puzzle, which winds its way nearly 2,500 miles through all the shaded squares herein |
| 37% | NORM | 4 | It's not out of the ordinary |
| 37% | BUGS | 4 | They're found at the end of this puzzle's longest answers |
| 37% | ELVIS | 5 | The King (subject of four "sightings" elsewhere in this puzzle) |
| 36% | PRINCESS | 8 | Any of the four people disturbed in this puzzle |
| 36% | HOW | 3 | It's not one of the five W's |
| 36% | SECRET | 6 | When revealed in this puzzle, it reverses the meanings of the answers to the starred clues |
| 36% | OLDDRAGONSHEAD | 14 | Section of the eastern end of this puzzle's landmark, so named for its resemblance to a mythical beast drinking from the sea |
| 36% | FATHERSANDSONS | 14 | Relationships of the four sets of athletes in this puzzle: 3 wds. |
| 36% | RHYMING | 7 | It's not exemplified by this puzzle's long answers |
| 36% | STARE | 5 | It's not good to do this at the sun |
| 36% | THREELETTERWORD | 15 | Something not found in this puzzle's answer |
| 36% | KCALB | 5 | The middle of this puzzle's grid, symbolically |
| 36% | UNITED | 6 | It's composed of four countries, the __ Kingdom |
| 35% | CVS | 3 | Brief résumés, and an apt description of this puzzle's four longest answers |
| 35% | PLATO | 5 | Speaker of the quote found in this puzzle's circled letters |