A stash of gold and treasure worth more than $340,000 has been discovered by two hikers in the Czech Republic, and may have been hidden by people fleeing persecution during World War II. The trove, a collection that includes gold coins, bracelets and snuff boxes, weighs roughly 15 pounds (6.8 kilograms) and was found inside two containers in a stone mound in a wood on Zvi?ina Hill, located in the foothills of the Krkonoše Mountains near the Polish border. The 598 coins found within the first box span a broad historical period — dating from 1808 to 1915 and including...