Archaeologists search for the wreck of the USS Planter, a Civil War vessel.
Experts uncover a Freedom Seeker community in the marshlands of Virginia.
Archaeologists unearth the lost abolitionist town of Quindaro, Kansas.
Retracing the steps of freedom seekers escaping on the Underground Railroad, archaeologists use high tech to explore a Florida fort that was nearly erased from history.
Archaeologists and historians use cutting-edge technology to investigate and explore some of the biggest mysteries surrounding the Underground Railroad, a secret network that helped enslaved African Americans escape to freedom.