At a time when Americans keep saying housing feels scarce, some of the country’s biggest homes seem to be auditioning for the role of empty monument. That tension is part of what makes oversized ...

Vizcaya, the pleasure dome of James Deering, Miami, Florida -- Henry Morrison Flagler's Marble Casa, Palm Beach, Florida -- John Ringling's Ca' d' Zan, Sarasota, Florida -- Taliesin North, the home of ...