Jeff Capek: You know, everybody likes to see a blimp. Michael Dougherty: It's just so big, you can't miss it. It's so unique to watch, and they're not even a national icon but a world icon.

The blimp's greatest downfall was inefficiency ... The world witnessed this when the Hindenburg crashed and exploded in New Jersey on May 6, 1937, hastening the technology's decline.

At around 2 p.m., a big white blimp was floating overhead. The blimp had no markings and was kind of a ghostly white as it floated past various SF landmarks and out over the Bay. So, what was it?

The famous Goodyear Blimp will celebrate its 100th birthday in a very special way, as 2025 will see the blimp crisscross the country with more than 100 stops across North America and Europe.