剧情简介：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
