Spiral Cellars makes custom wine cellars that cost around $55,000. They're dug into the ground, have retractable ceilings or trap doors, spiral staircases, and can hold up to 1,900 bottles of wine.

A narrow spiral staircase can provide access to shelves ... which is easily pulled away to allow access to your private wine ...

an in-floor wine cellar with a glass door, a fitness center, bunk rooms, a home theater, and a spiral staircase in the third-floor great room. An outdoor pool and three spas round out the listing.

Marble floors, solid oak doors and walnut cabinetry are featured throughout the property, and in the central reception hall is an imperial staircase ... there is a spiral wine cellar.

wine cellar, gym and indoor resort-style pool area. The all-seasons indoor pool area has its own jacuzzi and deck connected to an upper level patio area by a spiral staircase. The home is listed ...