Man Builds Elaborate Palace For His Cats

PHILADELPHIA (CBS) -- True cat lovers know that their felines really run the house, not the humans.

Well, a man in Minnesota decided to let his cats have their own house by constructing a "cat palace."

Inside the cat castle are tunnels, platforms with crawl-spaces, and, of course, cat-walks!

So how long did it take to build this elaborate "cat palace?" How about 15 years?!?

In addition, the cat owner even grows catnip in his front yard.

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