Hanford, which the Department of Energy says is the U.S.'s biggest environmental cleanup site both by size and by cost, occupies 586 square miles of desert along the Columbia River.

WSJ: Toxic Radioactive Find Adds to Hanford Cleanup Woes

For a Travel Channel show on the natural wonders of Jordan that he hosted, he flew his own helicopter, rode a camel in the desert and forged up a river to see a beautiful canyon.

FORBES: Issues & Ideas

It is expected, according to Gathy, the architect, to include a 13-foot-wide river meandering through the desert sands, gardens and villas.

WSJ: The Future of Armani