The Rise of the Nine-Figure Listing

Outside Tampa, a French revivalist property listed for $115 million has a bowling alley with a private 1950s-style diner, a car museum and a go-kart circuit. In Los Angeles, a 70,000-square-foot compound asking $400 million with two houses totaling 39 bedrooms, four kitchens, three swimming pools, a hammam and an airport security-style X-ray machine.