Matt visits a factory where they retread tires for monster trucks. Alas, no trucks on site. Then Matt tours North America's largest hydroelectric dam, the Grand Coulee, which was so cool Matt had to break into opera. Finally Matt really digs trees with a giant tree spade.

The famous aircrafts of the first century of flight can only be seen at the Smithsonian Institution's National Air and Space Museum, housed in Washington, DC, and in the Udvar-Hazy Center in Virginia.

When a German submarine sank passenger liner RMS Lusitania on 7 May 1915, it redefined the laws of conflict. The loss of the boat and 1,198 lives shocked the world. But was the U-boat’s torpedo the only thing that sank the Lusitania?

Ever wanted to know more about volcanoes or see one erupting? Well the BBC is finding out all about them in a series of special programmes from Hawaii.

Neurosia - 50 Jahre pervers / Neurosia – Who Shot Rosa von Praunheim? - by Rosa von Praunheim (1995)

Neurosia is the autobiography of the director Rosa von Praunheim. The movie begins with Rosa presenting his autobiography in a movie theater. Before the film begins, he is shot. But - his body gets lost. A female journalist from a TV station begins researching the life of Rosa. In the course of the movie she speaks to lots of aquaintances, shows short clips from Rosas old movies. Her main aim is to provide sensational and shocking details from Rosas life. It turns out that nearly everybody had some reason to kill Rosa. At the end of the movie, she discovers Rosa at a boat where he is kept prisoner by some of his old enemies. She frees him, and the movie ends.

Velvet Goldmine - by Todd Haynes (1998)

In 1984, British newspaper reporter Arthur Stuart is investigating the career of 1970s glam rock star Brian Slade, who was heavily influenced in his early years by American rock singer Curt Wild, whose show was quite crazy for his time.