The southernmost constellation of the zodiac is Scorpius the Scorpion. It's easy to spot on July evenings from most of the globe. It has a distinctive J shape.
Corona Borealis, aka the Northern Crown, looks like the letter C. A dark sky is best for seeing this faint semicircle of stars. It's between Arcturus and Vega.
Circinus the Drawing Compass is a dim constellation located next to the 3rd brightest star in the sky, Alpha Centauri. It looks like a pair of tweezers.
Boötes the Herdsman is a large constellation that holds one of the brightest stars in the sky, Arcturus. Only 3 other stars in the night sky are brighter.