It's A Mad Mad Mad Mad World(1963) -

Released in 1963, is a monumental "epic comedy" that serves as a grand-scale tribute to slapstick and screwball humor. Directed by Stanley Kramer , who was previously known for heavy social dramas like Inherit the Wind , the film was his first—and most famous—foray into comedy. The Plot: A Mad Dash for Cash

The story is centered on a high-stakes, chaotic treasure hunt. It's a Mad Mad Mad Mad World(1963)