Deep in the underground of Poland near the center of Krakow lies a hidden wonder, a marvel of human ingenuity, and a testament to centuries of mining tradition. The Wieliczka Salt Mine ...

An envelope. It indicates the ability to send an email. Researchers deny the existence of a Nazi train allegedly found filled with gold, found in August 2015 by amateur treasure hunters in Poland.

Little Rock, Ark. - A study led by researchers at the United States Geological Survey has revealed that southwestern Arkansas ...

Lykos' treasure is one of the largest and most elusive in Greece, and whoever finds it stands to acquire an enormous fortune.

Little Rock, Ark. - A study led by researchers at the United States Geological Survey has revealed that southwestern Arkansas could hold between 5 and 19 million tons of lithium reserves, meeting ...