Jack-o’-lanterns are a traditional symbol of Halloween. But some pumpkin carvings are anything but ordinary. Here, at the Pumpkin Fest in Chicago, Illinois, about 40,000 carved pumpkins are lit. Festival participants hope to set a Guinness World Record for the most people carving pumpkins at one time. Click through the slideshow to see what cool and creative designs people have made with pumpkins to celebrate this Halloween season.

Key Largo, Florida, does Halloween a bit differently. Each year, the island community holds an underwater pumpkin-carving contest. Divers fully equipped with oxygen tanks dive deep underwater to carve the orange gourds. 

Visitors at a zoo in Hanover, Germany, share the Halloween fun with the zoo’s permanent residents. Animals are fed unusual treats during the spooky season. Here, a meerkat makes a home inside a jack-o-lantern. 

A giant skeleton sporting a garlic necklace greets guests at a festival in Chicago, Illinois. The sculpture is made from 14 pumpkins of different sizes. 

Artist Scott Cummins carves realistic sculptures out of pumpkins. He has to use a 30-watt light bulb to make these creations really glow. Here, a dinosaur bares its sharp, orange teeth.

A glowing turtle emerges from a pumpkin in this unusual jack-o’-lantern carving. When the pumpkin is lit, it creates the image of a turtle peeking out from its shell.

This carving brings Star Wars down to Earth in a rendering of the hairy character, Chewbacca. Its eyes and mouth glow from the inside when the jack-o’-lantern is illuminated. It takes the artist nearly two hours to complete this sort of carving.