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Forbes: Off-the-Grid Mansions

Pensmore, Christian County, MO

Owner/developer: Steven Huff, chairman of TF Concrete Forming Systems
Estimated completion: 2014

In the rural Ozark Mountains, a concrete scion is erecting a gigantic 70,000-square-foot mansion that will be energy-efficient, environmentally sustainable and earthquake and tornado resistant. Constructed of concrete and Helix steel fibers, it will have solar panels, geothermal energy and rainwater collection will ensure massive manse can supply the 500-acre estate, despite natural calamity.

(Pensmore)

More from Forbes:
The Most Outrageous Garages
Mansions you can get Married in
Homes with Notorious Histories



The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.

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