Louisville Mega Cavern and 5/3rd Bank present Lights Under Louisville, a beloved holiday tradition that’s not to be missed. With over 7 million points of light everywhere illuminating the cavern’s vast spaces, this underground wonderland offers a truly unique holiday experience. Explore themed displays, encounter some of your favorite characters, holiday music, lasers and so much more… Whether you’re a longtime fan or a first-time visitor, Lights Under Louisville is sure to create lasting memories for the whole family.