Louisville Mega Cavern

The historic man-made Mega Cavern is part of 17 miles of corridors beneath the city of Louisville and features half a dozen attractions, including the Mega Zips zip-line tour, the Mega Tram historic tram tour, and the 320,000 square-foot Mega Underground Bike Park with more than 45 trails, jump lines, BMX, Cross Country and single tracks, and pump tracks. There’s also Mega Quest, the only fully underground aerial ropes challenge course in the world, and Lights Under Louisville, voted one of the top ten Christmas Light Shows in the nation by USA TODAY.