
Episode 1
Adventurer Olly Steeds treks through tunnels under Jerusalem and across the Egyptian desert to test the theory that the Holy Ark was smuggled to Ethiopia.
Episode 2
Olly Steeds goes in search of the meaning behind the famous Nazca lines in Peru. Stellar maps, alien landing pads or irrigation plans - Olly investigates the theories.
Episode 3
Deep in South America lives the myth of El Dorado. But is the city real? Adventurer Olly Steeds heads into the Andes to try and find out.
Episode 4
The Greek philosopher Plato described the destruction of Atlantis. But was it a real city and does it lie beneath the Mediterranean? Olly Steeds investigates.
Episode 5
The Amber Room, looted by the Nazis in WWII, had been described as the eighth wonder of the world. Olly tries to trace the missing Russian treasure.
Episode 6
Olly Steeds investigates the inner workings of the Nazi propaganda machine and examines the Third Reich's fascination with mummies.
Episode 7
Olly Steeds experiences the horrors of prison life at the notorious Devil's Island prison in French Guiana, testing whether tales of great escapes could be true.