Historic Seattle mansion carefully floated across lake to nearby island

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A 1920s mansion in Seattle's Madison Park was loaded up on a barge this week for its move to nearby Bainbridge Island.

The 1923 mansion was once restored at a cost of $6 million, but most recently sold for $850,000. The 6,200 square-foot house weighs 400 tons.

The 4-bedroom house features silk paneled walls, a massive glass skylight, white oak moulding and trim, hardwood floors and iron railings, according to the website listing for Nickel Brothers, a house moving and lifting company in Washington.

The mansion began its journey on Wednesday and is expected to arrive at its destination sometime Thursday.