What new discoveries exist inside these bosnian pyramids and tunnels -- two of which are taller than any other pyramids in the world -- can only be imagined.

Dr Semir Osmanagic takes us through this ancient, 30,000-year-old tunnel labyrinth, to engage the many mysteries of this ancient pyramid complex and its labyrinth of tunnels.

This documentary looks at ancient engineering and the use of Sun to cut rock and granite. Archaeologists and other scientists have been scratching their heads trying to figure out how remarkable ancient structures were constructed.

This new documentary shows some very deeply hidden secrets, looking at Demons and Gargoyles from the ancient world, they can take a variety of forms. Dragons, devils, demons, half-human and half-animal are the most common.

This new documentary looks at the HIDDEN CHAMBERS OF THE GREAT PYRAMID: This is the first ever HD footage of the hidden chambers inside several of the Giza Pyramids. This Ancient Egypt documentary walks you through the secret second entrance and secret tunnel inside the KINGS CHAMBER and also demonstrates the bizarre acoustic properties of the Kings Chamber.