On Friday night, David Street Station invites you to come down and enjoy an evening with the pilots and see their gondolas! Food trucks include The Hangry Dog, WY Knot, The Cake Pop Kitchen, How you Bean, Wild Chick Charcuterie. This is just a part of a fabulous weekend. Casper Balloon Roundup is Central Wyoming's free hot-air ballooning event. During three days in July, you can look up into the Casper skies and see a rainbow of hot air balloons soaring.