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Ancient astronaut theorists hunt for evidence linking Bigfoot to alien species from the distant past. Could the ape-like giant be an extraterrestrial.

Ancient astronaut experts believe the minds of Einstein and Galileo were superhuman. Could these historical geniuses have had extraterrestrial connections.

Explore classic and underrated aircraft, from WWII fighters to the Screaming Eagles F4, showcasing aviation's evolving history.

Explore classic and underrated aircraft, from WWII fighters to the Screaming Eagles F4, showcasing aviation's evolving history.

Encouraged by Nazi brutality, Soviet Partisans took up arms, creating big 'no-go' areas for German troops. A look at their efforts from the Russian perspective. (7 of.

In 1592, Elizabeth I visited Sudeley Castle where a spectacular garden was created. 500 hundred years later, a team of archaeologists hunt for this lost gem.

Dr Alice Roberts discovers what Britain was like before the Romans as she examines fascinating finds from the Bronze and Iron Ages.

Alice reveals the history of Belfast, the UK's most Victorian city. She visits the shipyards that built the Titanic and gets locked up in the Crumlin Road gaol. (6 of.

Ancient astronaut theorists hunt for evidence linking Bigfoot to alien species from the distant past. Could the ape-like giant be an extraterrestrial.

Ancient astronaut experts believe the minds of Einstein and Galileo were superhuman. Could these historical geniuses have had extraterrestrial connections.

Sharp Top Mountain B-25 Crash: Garth Barnard investigates World War II air accidents, starting with a B-25 training crash in Virginia that killed five crew.

Explore the complex case of the death of Wladyslaw Sikorski, the Polish PM whose plane crashed soon after taking off in 1943.

Alice Roberts explores the Georgian era in her hometown of Bristol, from architectural gems and the world's first chocolate factory to the horror of the slave trade.

Alice tells the story of Edwardian Britain by studying the history of Cardiff, Britain's most Edwardian town. (3 of.

A ghost town covered in a strange, white power emerges from a lake in Argentina and a declassified CIA image uncovers a bizarre, giant Soviet weapon.

Ross Kemp starts his journey under Blackfriars Bridge - the location of Britain's first mafia hit - before following the money trail across the UK.

In 1941, Germany launched Operation Barbarossa, a savage attack on the Soviet Union. Witness Hitler's dream to conquer Moscow through newly colourised film.

Ancient astronaut theorists hunt for evidence linking Bigfoot to alien species from the distant past. Could the ape-like giant be an extraterrestrial.