Delving into the mysteries of the past to shed light on the present.
In the heart of London, on the banks of the River Thames, is a landmark that very few know even exists.
Take a look inside Wünsdorf, a complex near Berlin that housed tens of thousands of Soviet troops.
Who's really buried in these intriguing monuments?
Two families have been guarding Europe's oldest lake's secret for generations
What made the Harappan civilisation leave their cities for the Himalayas?
Inside Lyon’s extensive network of narrow passageways that helped Resistance fighters evade the Nazis
Architect and sculptor Dy Proeung buried his life’s work to preserve it, and save his life.
Why is the village of Dargavs in Russia also known as the 'City of the Dead'?
The Rescued Film Project aims to develop all the world's unprocessed camera film.
How a Portuguese queen established one of the most iconic British traditions.
A secret laboratory 800m below the Pyrenees.
Pearce Paul Creasman, an underwater archaeologist, explores the murky depths of Sudan's pyramids.
The Tale of Genji is a Japanese novel written a thousand years ago by female author Murasaki Shikibu.
The story of how the chance find of a bracelet in the sea helped solve a decades-old hunt for a missing author.
The Vasa set sail in 1628 and sank after two hours. It lay under the sea until 1961.
How does a massive military cannon go missing for almost 100 years?
The 850-year-old cathedral has stood the test of time from the French Revolution to World War Two.
It’s a tourism model that relies on staying hidden.
Orkney has a rich archaeological heritage, but it's eroding into the sea.
The Wemyss Caves in Scotland house the mysterious ancient Pictish carvings.
It took 350 million bricks to build.
Artist Mat Collishaw attempts to unmask this famously image-conscious monarch.
Can new research unlock its mysteries?
How black-and-white photos are being brought back to life.
It lies beneath the waves of one of the world’s most popular beaches.
None of his teachers believed he could do it.