At 100 years old, the blimp is an ageless star in the sky. And the 246-foot-long airship will be in the background of the Daytona 500 on Sunday — roughly 1,500 feet above Daytona International Speedway, actually — to celebrate its latest and greatest anniversary tour.

The Goodyear Blimp is celebrating its 100th anniversary, but getting a ride on the iconic airship isn’t easy. Here’s how you can secure a rare seat aboard the blimp.