A "Man Cave" housing vintage motorcycles. Courtesy of Jeffery M. Dean.

Man Cave could be the latest must-have feature on the sophisticated homebuyer's wish list...or at least, a good basement for building one.

Snug, masculine, plastered with music and sports memorabilia, often subterranean, and smelling of beer, a man cave is a place where a man can retreat and do guy things, in his own home.

According to the Man Cave Site, a man cave is "A dedicated area of a house, such as a basement, workshop, or garage, where a man can be alone or socialize with his friends."

Homeowners are known to make considerable investments in these testerone-conentrated areas, some spending up to $50,000 furnishing and decorating their Man Caves to their unique taste. 

But most Man Caves are probably built on a more college-aged budget.

Does your home have a man cave? How is it decorated? Can you imagine life without the man cave?

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Watch "America's Man Caves", a short news story from BBC News.

Check out some interesting Man Cave incarnations.