Don't be fooled: this mansion isn't in Miami. The ritzy, glitzy, over-the-top villa which went on the market for $4,995,000 last Friday is in Potomac, Maryland. Even by the standards of the notoriously wealthy portion of River Road on which it's located (called the "Millionaire's Mile") the estate known as "Casa de Amor" stands out. For one thing, the The nearly $5 million Casa de Amor went on the market last Friday.