Hosted by Charlton Heston, it explores the possibility that the Sphinx maybe older than expected. John Anthony West examines that water erosion on the Sphinx can pre-date it to 10,000 years old?. Other mysteries such as how they moved 200 ton stone blocks to build the pyramids, the secret chambers under the Sphinx and the links to the pyramids that are suggested on Mars.

For over 4000 years, the Sphinx has puzzled all who have laid eyes on it. What is this crouching lion, human-headed creature? Who built it and why? To unlock its secrets, two teams of scientists and sculptors immerse themselves in the world of ancient Egypt — a land of pharaohs and pyramids, animal gods and mummies, sun worship and human sacrifice.

A 1908 French short silent film directed by Georges Méliès, which is currently presumed lost.

A musical story performed by Oleg Anofriev about a mysterious chest.

Dummie realizes that he is not as famous as his father, an ancient pharaoh, so he decides to rely more on himself and enters a special contest with the help of his best friend.

Join "Nova" science detectives as they journey to Southeast Asia to reveal details of one of Earth's most destructive volcanic events. Known as the Toba eruption, this cataclysmic explosion that occurred 75,000 years ago is considered one of the most devastating natural occurrences in history. Watch scientists reconstruct this monstrous catastrophe as they ponder the fragile nature of Earth's crust and the power of the magma within its core.

A movie serial in 13 chapters: Some swampland becomes valuable, and various factions squabble over ownership of it.

A group of teenagers are trying to solve a mystery of a puzzle created and left to them by the dead boy.

Summer of 1870. Two writers, Eça de Queiroz and Ramalho Ortigão, decide to write a four-handed whodunit for the daily "Diário de Notícias". Could it be that the story they wrote as fiction is based on a real case? This question fuels the conflict between the two writers and drives them to a nearly fatal duel. Lisbon is in commotion. One crime follows another in a story in which love is stronger than tradition. Everything happens at frenzied pace, as in a game.

A journey in the footsteps of the most famous initiate of Italian Trecento, the author of the celebrated "Divine Comedy". A poet who has inspired some of the most outstanding minds in History.