Matthew heads to Pasadena, the picture-perfect backdrop for a home like no other. This billionaire's bunker features 7 bedrooms, 21 bathrooms and a driveway that was once a street in Chicago. Want more? Take the underground passageway to the connected 20,300 square-foot gallery and check out the tiki bar, museum, game room, and full-size movie theater. The A-list price tag for this extravagant estate: $45 million.

From the canyons of Topanga to the Mecca of Los Angeles mid-century design, Matthew tours some of the most architecturally significant properties you've ever seen, including a mountaintop masterpiece perched high above the ocean and a recently renovated modern jewel in the Beverly Hills crown.

If the old adage is true, that rich screams and wealth whispers, you can definitely hear a pin drop in the A-List neighborhoods of San Marino and Pasadena, California. Matthew tours two pedigreed estates, including one world-famous chef's kitchen and a series of spectacular gardens that must be seen to be believed.

Matthew visits exclusive Bel Air, home to some of the biggest stars with the deepest pockets and, at one time, President Ronald Reagan's "West Coast White House." From Old Hollywood to new construction, Matthew tours palatial properties that include luxury views, hidden gardens, grand staircases, spectacular pools and, of course, A-List price tags.

Matthew heads to Beverly Hills, the pinnacle of A-List living, where the home tours include jetliner views from a zero-edge pool, a primary suite fit for royalty, and two incredible home theaters. Globally synonymous with wealth and celebrity, this famous zip code is an A-list magnet attracting some of the biggest stars in the world.

Matthew explores unbelievable listings in the gorgeous, guard-gated equestrian community of Hidden Hills, California. This neighborhood is as A-list as it gets, just a gallop from Hollywood and overflowing with stars who have taken the reins on some pricey stables to call home.