Where Shoshone Falls falls
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">where shoshone falls falls</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for idaho that I've seen before include "found in America" , "State of north-west USA" , "O, I had a change in this state" , "Northern US state" , "somewhere in the US" .)