Josh Uses A Special Camera To Find a Hidden Tunnel System Expedition Unknown Discovery

Join host Josh Gates as he embarks on an exhilarating adventure unlike any other. Brace yourself for a heart-pounding rollercoaster ride as Josh uncovers a hidden tunnel with extraordinary secrets!

About Expedition Unknown:
Josh Gates investigates the truth behind the world's most iconic and captivating legends. Leaving no stone unturned, his adventures take him around the globe as he immerses himself in the core locales linked to each tale