26. Set behind a set of private gates and a paved driveway, this estate in Bradbury, California, has 30,000 square feet of space and a host of amenities.

Price: $68 million

The long list of features includes a tennis court, private putting green, several 10-foot waterfalls, koi pond, grotto, culinary center, home gym, and wine cellar. It has 14 bedrooms and more than nine acres of land.

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