Crypt of Civilization (S02E03)

In a world ravaged by disaster, humanity's enigmatic artifacts face varied destinies, particularly at a location in the U.S. known as the "Crypt of Civilization." Meanwhile, other vaults, safes, and time capsules confront emerging dangers. An old Mental Hospital in Connecticut holds vital insights into our capacity to safeguard history. Will the military training received by Marine Corps dogs enable them to thrive in the untamed wilderness?