A SWANKY mega-mansion with a rooftop helipad, 40-person cinema and a swimming pool is vying to be crowned the ultimate man cave.

Six glamorous homes, which are all on the market for eye-watering sums, have reached the final for the HGTV Ultimate House Hunt, a contest showcasing the plushest properties on the planet.

18 This lavish Californian pad is currently on sale for £140 million ($188 million) Credit: Bruce Makowsky / BAM Luxury Development

The pads are all in the Most Extreme Home category.

In addition to the attractive mansion in Bel-Air, California, a Mediterranean-themed home with a beautiful atrium and a cottage with a two-storey gaming room and a rock climbing wall have been listed.

California's mega mansion paradise

This lavish pad is currently on sale for £140 million ($188 million).

It offers stunning views across Los Angeles and boasts 12 bedrooms, 100 art installations and five bars.

Eight members of staff come with the mansion.

18 The property is an attractive mansion on a Californian street that has been home to many celebrities Credit: Bruce Makowsky / BAM Luxury Development

18 The house offers stunning views across the sprawling city and out over the Pacific Ocean Credit: Bruce Makowsky / BAM Luxury Development

18 Every single detail has been picked out by the home's owner and designer Bruce Makowsky Credit: Bruce Makowsky / BAM Luxury Development

18 The house has a 40-seat cinema Credit: Bruce Makowsky

18 There is also a bowling alley in the contender to become 'most extreme house' Credit: Bruce Makowsky

Mediterranean-themed majesty in Maryland

A five-bedroom property in Potomac, Maryland, similar to a scene from Arabian Nights, has also been shortlisted, for its impressive Mediterranean design and mosaic tiling.

The desert-oasis themed atrium has been fitted with palm trees, a wading pool, hot tub, columns and a lengthy circular driveway with a fountain.

18 This five-bedroom property in Maryland is shortlisted for its Mediterranean design Credit: Caters News Agency

18 It has mosaic tiling, a large atrium, palm trees and a wading pool Credit: Caters News Agency

Stunning ranch with sprawling vineyard in California

A magnificent ranch in Los Olivos, California, boasts one of the oldest vineyards in Santa Barbara County with varietals of Chardonnay, Syrah, Sangiovese and Tempranillo.

With five-bedrooms, the site is up for sale at just £12.4 million ($16.5 million). It offers 360-degree views of vineyards, hills, old-growth olive trees and mountains.

18 This magnificent ranch in California boasts a vineyard and commanding views over mountains Credit: Caters News Agency

18 The huge vineyard is one of the oldest in the region Credit: Caters News Agency

Remote cabin in tranquil rural wilderness

A spacious wooden cabin in Cullowhee, North Carolina, is also featured.

Up for sale at £5.2 million ($7 million), the five-bedroom home often sees deer, turkey and elks, filling the 73-acre grounds.

There are two ponds and a fishing dock on the estate.

18 Another spacious cabin, which is in North Carolina, boats lovely waterfall views Credit: Caters News Agency

18 A creek flows through the property in the isolated forest Credit: Caters News Agency

Incredible modern treehouse getaway

A luxury treehouse-type property in Quilcene, Washington, is set among a magnificent forest with streams and waterfalls.

With 1480 feet of waterfront, the three-bedroom property also has three fireplaces and is up for sale at under two million dollars (1.5mGBP).

18 This remote treehouse-type property in Quilcene, Washington, is vying to win the title Credit: Caters News Agency

18 The stunning house has three bedrooms and a cosy living area Credit: Caters News Agency

Georgia's attractive seaside cottage fit for 'kids of all ages'

The spectacular cottage on Sea Island, Georgia, is fitted with a two-storey game room and rock climbing wall that leads to a third floor with beautiful panoramic views.

Set beside sprawling golf courses and salt marshes, the property has seven bedrooms and a swimming pool.

18 This grand cottage by the sea is fitted with a games room and rock climbing wall Credit: Caters News Agency

18 There is a swimming pool at the seven-bed pad Credit: Caters News Agency

18 The beautiful cottage on Sea Island, Georgia, is set on three floors Credit: Caters News Agency

18 The house has been shortlisted as it impressed with its games room and rock climbing wall Credit: Caters News Agency

Anyone who submits a vote in the contest will be entered into a prize sweepstake of $10,000 (£7,500).

But voting closes on July 17.

Stephanie Anton, president of Luxury Portfolio International, said: "Extreme Homes is a particularly relevant category this year as we have begun to see a rise in homes driven by, and designed for, the passions of the affluent homeowner today.

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"This includes everything from indoor rock climbing walls to multiple screening rooms, croquet lawns, backyard water parks, private vineyards and more.

"Because Luxury Portfolio International members list some of the most outstanding properties in the world, the Extreme Homes category represents the cutting edge of home design and what is available when passion and imagination are powered by financial means."

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