Glenn Young’s 3,000-square-foot home is for sale. It’s yours for $1.6 million, if you can find it. Not the money, the building. Hint: The front door is just off the man-made pond, under the lawn, and through the 120-foot tunnel. The home consists of five interconnected monolithic dome units, buried in an excavated hole 200 feet long, 75 feet wide, and 30 feet deep.

Young built the home for himself back in 2000, over a period of about 16 months when he was constructing domes for other clients. He’s no longer in the dome business — not for lack of clients, but because it conflicted with his other ventures.

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