Could the Taj Mahal be in imminent danger? It is one of the grandest works of architecture on the planet.
Reveal the surprising engineering connections between Japan's 'bullet train' - the world's first high speed railway and other ancient inventions.
We learn just how many ways there are to, injure and humiliate yourself when paragliding, riding dirt-bikes and being subjected to a wedgie.
We learn how many ways there are to humiliate yourself when cliff diving, swinging a sledgehammer and riding a motorised scooter.
The Kansai Airport in Japan: We go behind the scenes to figure out how this feat of engineering works.