介绍：In one fell swoop, nine-year old David Van de Steen lost his mother, his father and his sister in an attack by the Brabant Killers in Aalst. His grandfather, Albert, has the well-nigh impossible task of giving David a new perspective on life, a future.

介绍：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