Mega Cavern

The Mega Cavern is a fascinating underground attraction in Louisville, Kentucky, originally a limestone mine that spans 4,000,000 square feet beneath the city. It is the largest building in Kentucky and offers a unique blend of business, storage, and tourism experiences. Visitors can enjoy tram-guided tours, zipline adventures, and a ropes course, as well as the spectacular 'Lights Under Louisville' holiday display, the largest underground light show in the world. Although it once featured the world's largest indoor mountain bike park, that attraction has since closed. The cavern's stable temperature and humidity make it an ideal location for various storage needs, showcasing its transformation from a mining site to a vibrant commercial and recreational space.