Halloween 2024 Events In America. The 2024 halloween event at california’s great america is set to take place from september 20th through october 26th, providing weeks of thrilling entertainment. Halloween originated with the ancient celtic festival of samhain and is now a worldwide event.

Haunted houses, the arts in the dark parade, theater that communes with the spirit world and a chance to shoot zombies from a monster truck. See the today costume reveals from anchors, plus 30 rock performances and halloween surprises along the way.