Cabin - with nuclear missile silo - for sale

For sale: one idyllic wooden cottage - with nuclear missile silo attached.
 
The upstate New York property, listed by Sotheby's for $1.76 million, looks like a typical weekend chalet in the forested Adirondack Mountains.
 
At least, that's what's above ground. But punch in a keypad code to open the door, head down some steep stairs and you enter another world.
 
First comes the old underground missile control center, refitted as luxury housing. From there, you enter a tunnel, passing several massive blast doors, into the now empty silo descending seven floors down.

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