Yogi Bear’s Jellystone Park™ Camp-Resort: Natural Bridge, VA is celebrating Mardi Gras weekend March 24, 12.00 a. m. to March 26, 11.45 p. m. Come down to celebrate Mardi Gras here at Jellystone. Dress your best for our Jellystone Ball. Prizes will be awarded to our best-dressed campers. Be on the lookout for Yogi and friends as they ride through the park handing out beads.