- The Hanford Site is the most polluted area in the US, though cleanup started decades ag… [+25415 chars]
Regions North America
The Hanford Site is America's most contaminated nuclear location. See photos of its long, toxic past.
Experts have said the Hanford Site in Washington is an underground Chernobyl waiting to happen. Here's what the most toxic area in America is like.
Workers demolish a decommissioned nuclear reactor at Hanford in 2011.Mark Ralston/AFP via Getty Images
