This is the entrance to its office. There is no mistake of where you were from the display outside.
A blimp and a zeppelin are both filled with helium and steerable; however, a zeppelin has a metal frame whereas a blimp will lose its shape once it is deflated.
From memory, I believe, the top airship in the picture is the Hindenburg at 803 ft (245 m), the largest airship ever built.
The airship I was visiting on this day is the 4th one down at 246 ft. (75 m).
For local residents in the San Francisco Bay Area, you might have seen the Farmers Insurance advertisement on this ship at one time. Sponsors change ever so often so you will never know what you will see advertised next.
Due to the cost, I still hope one-day be able to take a flight in it, but for now, I will have to enjoy the 360-degree view from its website here.