On October 30 and October 31, staff at the Phillips 66 oil refinery in Wilmington will illuminate the face of Smilin’ Jack—an enormous jack-o’-lantern painted on the side of an 80,000-barrel ...

a 3-million-gallon oval storage tank has been transformed into “the world’s largest jack-o’-lantern,” according to Al Ortiz, spokesperson for Phillips 66. Known as Smilin’ Jack ...