Buried in the Cambodian jungle lie the lost remains of the great medieval city of Angkor.

A team of archaeologists use technology to reveal the true scale of the lost city of Angkor.

Cambodia's mysterious temples and monuments from centuries ago.

Though once thought to be a form of magic, electricity is now essential to modern human society. In this series, professor and host Jim Al-Khalili tells the history of electricity and humans' pursuit to master it. Al-Khalili begins with the early achievements and breakthroughs and finishes with more modern achievements, including such milestones as the first commercial adaptation and the discovery that electricity is linked to magnetism, which allowed people to generate seemingly endless quantities of power.