简介：A mission to discover and re-create unexcavated worlds still hidden beneath the earth. Episodes include… S1E1 Fortress of the Knights Templar S1E2 Ghost City of the Pacific S1E3 El Dorado City of Gold S1E4 Stonehenge S1E5 Petra's Hidden Origins S1E6 Inca Island in the Sky
简介：Deep in a wintry forest, an abandoned boy struggles to protect his little sister from an infection that turns people into a feral-like state, a ruthless militia leader searching for his missing daughter, and Government agents hunting them.