Location: Beech Ridge Drive, Bell Acres, PA

Price: $20,000,000 valuation

Square Feet: 32,400

This gorgeous and gargantuan newly built mansion is owned by Joseph Nocito, who is a 50ish North Hills entrepreneur and real estate developer whose holdings include Northland Properties, the Stone Mansion restaurant in Franklin Park and Trybus Co. Inc., a McCandless maker of reinforced tape used internationally by manufacturers. The 34 room mansion includes 18 bedrooms and 21 bathrooms. The home has 22,800 square feet on the first, second, and third floors. The basement takes up the remaining 9,600 square feet. The home also includes 13 fireplaces and 14 and 1/2 acres of land. There is also a garage that can hold up to 15 cars. The home is the biggest new home under construction in Western Pennsylvania.

Location: Stonegate Road, Louisville, KY

Square Feet: 40,000

This 40,000 square foot mega-mansion is owned by John Schnatter. Schnatter is the founder, chairman, and CEO of the Papa John's pizza chain. The castle-like mansion was designed by Don Evans, and Orlando architect. It also has a multilevel subterranean garage with 22 parking spaces, an office for valet parking, a built-in car wash and a giant motorized turntable to help move limousines. It is divided into 14 parking spaces for the family on one level and eight spaces for guests on another, with an elevator between the two floors. John had a net worth of $402.6 million back in 2006, a figure that has definitely risen over recent years.This home is one of the largest homes in Kentucky.

Owner: Jeff Greene (real estate and hedge fund mogul who shorted subprime mortgage)

Location: 9505 Lania Lane, Beverly Hills, CA

Price: $35,000,000 (sold)

Square Feet: 50,000

This 10 bedroom, 12 bath behemoth is located at the end of a 1/4 mile private driveway and sits on 25 acres of land. The recently completed mansion comes with a mind numbing 50,000 square feet of living space. The main residence measures 30,000 square feet. There is also a 12,000 square foot entertainment villa, and an 8,000 square foot guest house/carriage house. The home was on originally on the market for $33,000,000. The $35,000,000 final sale price made this home the 3rd highest sales price in the history of Los Angeles and Beverly Hills. The home was designed by fame architect, Bob Offenhauser and built by Hadid Development

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Location: Montagel Way, Shoal Creek, Alabama

Price: $3,950,000 in 2003 (auction)

Square Feet: 50,000

This 50,000 square foot mega-mansion used to be the home of Larry House, the former COO of Healthsouth. The French Chateau style mansion sits on 27 acres of land in one of Alabama's most prestigious neighborhoods. The most impressive feature of this home is the guitar shaped driveway that can be see in an aerial view. The trees lining the driveway represent the chords. The home has a total of 21 bedroms and 22 bathrooms. It also includes a wine cellar, large swimming pool with pool house, a 25-seat movie theater, and a 13-car garage. The home and it's property had an assessed value of $27 million before being sold for a staggering $3.95 million at a 2-day auction. This is one of Alabama's Largest Homes.Click here to see his house in virtual earth

Location: 2177 Porcupine Bay Road, Ellison Bay, WI

Price: $29,000,000

Square Feet: 35,000+

House Name: Chateau du Lac

This stately mega-mansion spans over 35,000 square feet and overlooks the waters of Lake Michigan. It is Wisconsin's largest home. It includes 4 bedroom suites and 7 full and 2 half baths.This treasure is surrounded by acres of forest. The estate features a main house, a guest house, a studio house, and a beach house. The main house is a work of art and features balconies that look over palatial living spaces. Included in the central wing is a formal two storey foyer with an amazing dual staircase, a grand hall that leads to the formal great room, bayside parlors, and a 14-seat Art Deco home theater that is perfect for entertaining. There is also a custom kitchen with morning room, a two-story library, a pub room, garden room with a full kitchen and bar, and last but not least, an indoor pool with spa. The master suite is over 5,000 square feet of pure luxury that includes an entrance gallery and split into 7 rooms. Also the women's walk-in closet is 1,000 square feet. The first guest house includes 3 bedrooms and 2 baths and the second guest house includes 2 kitchens, 3 bedrooms and 2 baths. Chateau du Lac is on the market for a whopping $29,000,000 and comes fully furnished. Click here for the listing: Chateua du Lac

Location: 10687 Evans Ridge Road, Parker, CO

Price: $22,000,000

Square Feet: 50,397 (42,000 finished)

This 72 acre estate is one of the largest homes in the state of Colorado. It quite possibly has every imaginable amenity you could think of. The 50,000 square foot mega mansion consists of 11 bedrooms, 24 bathrooms, and 10 fireplaces. Upon entering, you are greeted by a magnificent marble rotunda that features large columns. The foyer leads into the elegant formal living room that features floor to ceiling windows, a limestone fireplace, and a baby grand piano. The formal dining room connects to the caterers kitchen and entertaining bar and is located next to a stairhall which is perfect for easy access to the basement during parties. The home features numerous sweeping staircases that have extremely detailed wrought iron rails. If you don't want to walk up and down stairs to navigate through the 50,000 square feet of living space, you can use one of the home's two elevators. There are two kitchens on the main floor; a family kitchen and a caterer's kitchen. The full service catering kitchen can accomodate a large staff and has a huge walk in pantry and a cocktail bar. The library wing spans 3,000 square feet and contains a library, kitchenette, workstation alcove, conference room, music room, office, and two private decks. The library features floor to ceiliong paneling and cherry wood cabinets. This mansion contains 2 master retreats and numerous guest bedrooms. There is a sweeping staircase that leads to the entertainment section of the home, which is of course the fully furnished basement. The recreational level of the home includes consists of two floors and features countless amenities that are perfect for keeping you party guests entertained. The first level contains a home theater with a snack bar, wine cellar with wrought iron door, a family room, a custom cherry wood bar, and a large space for other entertainment uses. The second level of the recreational level inlcudes a conference room, an exercise room, 2-lane bowling alley, a lounge, and your very own nightclub with a stage! (perfect for karaoke night) The estate also features a huge indoor pool with changing rooms and bathrooms. The grounds of this exceptional estate include cascading waterfalls, a pond, and a 3,406 square foot caretakers house. There is also a 16 car garage.This could all be yours for the low price of $22,000,000. I think that this is a steal due to the sheer size of the home and the endless amenities that come along with it. Imagine all the parties you could throw at this exquisite estate! Click here to visit the home's website