Throughout history humans have buried their dead--in caves or chambers, in pyramids or in some form of a tomb--but why? Ancient tombs were visual memorials for the dead. In China, a vast necropolis was constructed as a way to connect to the afterlife. Is there an inherit need for us to dig up our past? What is it that we are searching for? And what profound secrets might remain hidden in tombs? That is what we will try to find out.

Some people are capable of the seemingly impossible. Whether surviving freezing temperatures, diving unfathomable depths on one breath, or lifting objects of mind-boggling weight, superhuman feats never cease to amaze. But how do these superhumans pull them off? Is it a matter of training, willpower, genetics, or something more mysterious?