May 15, 2015 2:00 pm Have a Mega Adventure at Louisville Mega Cavern Audrina Patridge explores the 4,000,000 square feet that is Louisville Mega Cavern where BMX biking, a ropes course, and ziplining are all underground. Local 3:27 Here's one of the luxurious suites your favorite A-list celebs are getting ready in for the Met Gala 1:15 Anna Nicole Smith's look-alike daughter Dannielynn Birkhead attends 2024 Kentucky Derby 1:41 ‘The Mummy' turns 25: Remembering the Brendan Fraser classic 3:27 Dua Lipa claps back at viral ‘give us nothing' meme during ‘SNL' hosting debut 1:42 Man dies after crashing into White House security barrier