The History Channel HD

Mike fixes up a 1969 Cadillac De Ville just to smash it to pieces in Rust Valley's annual Demolition Derby as a marketing method to deal with a shop slow down.

In Round Two, four armorers must forge a Damascus blade out of something familiar: plate armor.

Dublin dealer Ian Dowling and his mate Butzy are searching for treasures in Ireland's largest county - Cork. They go picking at an 11th-Century castle built by the grandson of Brian Boru, high king of Ireland.

It's a night of sheer terror as four unsuspecting bladesmiths find themselves caught in a competition straight out of the scariest horror movie you can imagine.

Operate with the Pawn Stars when they check out a bone saw from the Civil War. A tiny model for amputating fingers, can the guys cut a deal?

The guys check out a customised 1951 Harley Davidson. Will they try to buy it for the shop or is Corey looking to add to his own collection?

Adelanto is the site of the Dotsons' return, Dave tries to get his motors running, Darrell stumbles over a curious collection and Rene finally goes nuts.

As the Nazis rose to power, Himmler and the SS were convinced Atlantis could be found, and instigated a series of archeological expeditions seeking to uncover and exploit its secrets.

Convinced the medieval witch trials were a Judeo-Christian attempt to exterminate the Aryans, Himmler established a special team to build a database of medieval German witchcraft practices.

Mike fixes up a 1969 Cadillac De Ville just to smash it to pieces in Rust Valley's annual Demolition Derby as a marketing method to deal with a shop slow down.

In Round Two, four armorers must forge a Damascus blade out of something familiar: plate armor.

The Mayan civilisation dominated Central America for nearly 2 000 years, but by the ninth century the great cities were abandoned and the people had vanished. What could have happened?

The Mayas created the most sophisticated calendar system in the ancient world. According to many scholars, their calendar would come to an end on 21 December 2012. What does it mean?

Empire Builders brings to life Great Empires, discovering how they were built, for what purpose, and what they reveal about the empire's rise and fall.

It's a night of sheer terror as four unsuspecting bladesmiths find themselves caught in a competition straight out of the scariest horror movie you can imagine.

Four smiths turn some rusty old nails into a pristine knife. After their weapons are hammered in testing, the surviving competitors recreate the terrifying North African Tuareg Takoba.

The guys are offered the hat John Wayne wore in 'The Man Who Shot Liberty Valance'. Will they negotiate with guns blazing or send the seller riding off into the sunset?

Spin a web with the Pawn Stars as Corey and Chumlee check out a copy of Amazing Fantasy #15, featuring the very first appearance of Spider-Man. Will the comic set off Chum's 'Spidey senses'?

Mary's locker brings out her inner voice and Kenny tries to clothe America, while Brandi and Jarrod get a leg up on the competition.

Ivy takes a chance on his own party locker, Brandi and Jarrod get back to basics, and Rene gets advice on his presentation.

Darrell's pupil has a gothic graduation and Kenny goes 'low key undercover,' uncovering a new career opportunity.

A catastrophic dam collapse causes a tsunami of destruction in southern California. And in Massachusetts, why was the world's tallest academic library cracking at the seams?

Investigating the story of Queen Tiye, who rose to dazzling heights 3,300 years ago. Ambitious and stunningly beautiful, Tiye helped Egypt become the greatest nation in the world.

As the Third Reich rises to power, Himmler and the SS become fixated on the Holy Grail, interpreting much of the myth surrounding it as fact - and the quest for it as attainable.

A pseudoscientific theory embraced by the Nazis claimed that their Aryan ancestors had sought refuge in the Himalayas during a mythical cataclysmic ice age.

Four smiths turn some rusty old nails into a pristine knife. After their weapons are hammered in testing, the surviving competitors recreate the terrifying North African Tuareg Takoba.

The guys are offered the hat John Wayne wore in 'The Man Who Shot Liberty Valance'. Will they negotiate with guns blazing or send the seller riding off into the sunset?