Man buys Martin Johnson Heade painting for $ 5 and sells it for $ 1.2 million . Woman with metal detector and crucifix valued at more than $ 63,000 . The park is the only city park in the world that 's open to the public . Possible Jackson Pollock painting bought for $ 5 could be worth $ 100 million .
Man buys Martin Johnson Heade painting for $ 30 and sells it for $ 1.2 million . Woman with metal detector found crucifix priced at more than $ 63,000 . Arkansas park is the only diamond site in the world that 's open to the public . Possible Jackson Pollock painting bought for $ 5 may be worth $ 100 million .