From 1994 Petr worked as a presenter in Czech Television Brno, from 1996 in Czech Television Prague. In 1996 Petr and Miroslav Náplava set up Camera Incognita, an association for the production of travel documentaries, which specialises in mapping places in the world which are changing so dynamically that we will never see them in their original form again.

Petr is the organiser of WorldFilm, a travel film show which included a series of talks, author of about 60 documentaries (e.g. Unknown Earth series, Světozor – Madeira, a few episodes of travel series On the Road, Czech Republic – A Country of Wild Nature, Alchemy of Being – a series from the medical environment, Art of Conception series), author and co-author of the books Two Journeys to Archaeology, Elephants Live up to a Hundred Years, Unknown Earth, Cuba Libre, Pursuit of a Giant Worm and Report on a Journey to the North Pole.