Well, I've been searching balloon rides, blimp rides, rides on lawnchairs lifted by helium balloons ...but nothing ...except this just popped into my head:
Are you at the Evergreen Aviation & Space Museum in McMinnville, Oregon?....home of the Spruce Goose? ...your cryptic allusions to grey and vodka made me think "goose" or "she's nuts" so I went with the goose
Models comparing the Spruce Goose to a DC-3:
Now, now? ...can I belt down a nice cold shot of straight vodka? ...Na Zdrowie!