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.

This Marcel Sedletzky-designed four-bedroom home has a dine-in wine cellar with barrel-vault ceilings and extensive shelving. The 1971 house features creative angles and window placement ...