Practically every PEPLUM film shot a scene in that often dried up riverbed so there's no point of mentioning them but here are a couple of examples.
THE MIGHTY CRUSADERS
Lex Barker and cast in ROBIN HOOD AND THE PIRATES
Susy Andersen as Actis in SAPPHO THE VENUS OF LESBOS
The spectacular climax from HERCULES, SAMSON & ULYSSES starring Iloosh Khoshabe and Kirk Morris