Image this puzzle grid is supposed to suggest

Question:

Length:

Similar Crossword Questions:

Last letter in most plurals (but not in this puzzle's six longest answers, which are the only plurals in this grid)
There are four hidden in this puzzle, which together suggest a familiar five-word saying (3,5,4,2,4)
Landmark inaugurated 3/31/1889 whose shape is suggested by nine squares in this puzzle's completed grid
Urban areas (as hinted at by the circled letters in this puzzle's grid)
Word that may precede twelve words in this puzzle's grid
Word appearing eight times in this puzzle grid
Like aleph in the central black squares of this puzzle's grid
Numerical puzzle with a 9x9 grid
The 2x2 black square near the middle of this puzzle's grid, e.g., which is part of eight answers
Thing that may appear to be symmetrical but isn't ... like this puzzle's grid
Number of Qs in this puzzle's grid
Rectangular array that's identical when its rows and columns are transposed, as this puzzle's grid
Number of times this puzzle's theme word appears diagonally in the grid (to complete the puzzle, shade those words plus the Down answers that begin where they meet)
God with a weekday named after him who can be found in this puzzle's three grid-spanning entries
Set of which all seven elements are fittingly hidden in the solved puzzle grid
Looping on-line image, and hint to this puzzle's theme
It's entirely represented in this puzzle grid
Theme of this puzzle, seen seven times in the grid
Advice during a solar eclipse (and a homophonic hint to uncovering this puzzle's secret image)
On hold ... or what the seven rows of black squares in this puzzle's grid spell in Morse code
Puzzle theme which appears nine more times in the grid
Classic Belushi comedy, or an apt description of this puzzle's grid?
Paper puzzle usually involving a 9x9 grid (2004)
Anti-abuse org. [To see the original color version of this puzzle's unusual grid, visit sundaycrosswords.com.]
1967 Box Tops hit about part of a puzzle answer grid?