To skeptics, Attia's Roundhouse evokes Buckminster Fuller's Dymaxion House of the 1940s.

FORBES: The House Goes Round

The suburbs would be on the someday list -- the Detroit Zoo and its newly born river otters, the glassblowers and re-enactors at Greenfield Village and Buckminster Fuller's geodesic Dymaxion House at the Henry Ford Museum in Dearborn.

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