A bit belated....
...but better late than never, no?
The Veuve Clicquot cellars are located in Reims (a 45-minute TGV ride from Paris). It's open to the public (and worth a visit if you're in the area...make sure to stop by Le Jardin at Les Crayères afterwards for lunch).
A 15-minute drive away from the champagne cellars is Hôtel du Marc, the label's private estate.
Visits are by invitation only (though open to the public for one weekend each year) and I was lucky enough to take a peek inside the other month...
Guests are greeted in the library room, which houses books from travels and tokens from past and current collaborations.
The name might say Hôtel, but it's very much a private home (Madame Clicquot herself once lived here).
There are five guest rooms - one for each season of the year, and the fifth to represent harvest.
How about this bathroom? Can you imagine bubble baths and company? Oh, the conversations!
The variation in color of the carpeting and walls leading up to the second floor emulate the three main grapes of Champagne: chardonnay, pinot noir, and pinot meunier, in addition to the chalky soils of the region.
There are many mysterious halls and rooms to wander (include one that's filled with curiosities)...
...and in the end, it's all about the champagne. Ahhhh ^_^