If you've been to the Grand Canyon in the last 18 years, you may have been exposed to high levels of radiation.
The park's health and safety manager says three five-gallon buckets containing chunks of uranium were stored in a building that was part of certain tours.
He claims federal officials found out about it last year, but refused to notify the public. Now the state and the feds are investigating.
If you visited the Grand Canyon in the past 18 years you may wanna consult a doctor.