Stark, desert prefab: $3M

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The Los Angeles-based architecture and building firm Marmol Radziner might be critically acclaimed, but the company’s creations have not always been well received by the market. One of their prefab homes, in Desert Hot Springs, Calif., went up for sale in 2008 for $1.85 million, but sustained a series of huge price chops before finally selling last year for $600,000.