Sky History Today

The guys check out the smashed guitar of Kiss frontman Paul Stanley, Thomas Jefferson's personal copy of Jay's Treaty and a Brown Bess musket

Part one of two. Rust Valley's competing shops get ready to face off at the annual Hit-to-Pass race. The cost of Avery's Deuce-and-a-Half music truck spirals out of control

The actor investigates evidence from recently declassified files to shine a light on what's really going on deep in the shadows

While the team races against the impending winter to get into the Solution Channel, Rick and members of the fellowship make new connections 4,000 miles away in Malta

The guys are awestruck by one of the rarest items ever to come through their doors - an artwork believed to be by Renaissance master Raphael

A rare copy of Seven Years in Tibet signed by author Heinrich Harrer turns up at the shop, and Corey teams up with Chumlee to check out a Three Stooges promotional projector

A collection of original 1960s NBC posters arrive at the shop, and the team is asked to appraise a 1966 Harley Davidson

The pawnbrokers examine a medal with links to Captain Cook, and a putter from the famed 1963 Frank Sinatra Invitational. Plus, Rick's stress levels hit a new high

The staff examine items signed by President Franklin D Roosevelt, as well as a rare photograph taken during baseball star Babe Ruth's debut season

An original sketch from a popular animation is brought into the shop, and Rick is offered what is believed to be a first edition of Richard Nixon's memoir

Kevin Sempé dives in search of wrecks harking back to the Roman Empire's greatness. The journey begins with the Nave Romana

Kevin Sempé explores the bay of Saint-Pierre in Martinique, where ships smouldered and sank following the devastating volcanic eruption of 1902

Kevin Sempé dives into the blue waters of the Caribbean to find the relics that litter the sea floor from piracy's heyday in the region

Kevin embarks on a challenging dive in the Atlantic Ocean to explore a battleship that saved the Northern Navy in the American Civil War

Explorations of Seahenge's timber circle, an unusual Ukrainian canoe, ancient remains in a mudslide and a relic from Lake Mead's dry bed

Animal spectacles witnessed from high above the Earth. Examples include a whirling herd of northern nomads and undersea behemoths showing off in the Pacific shallows

Garth Barnard investigates the likely cause of an accident in Nebraska in 1944, when a transport plane crashed during a violent storm

Garth Barnard examines the event that ended the life of Prince George the Duke of Kent in 1942, questioning whether his death was an accident

Dannemora, the largest maximum-security prison and the third-oldest such institution in New York. It was opened in 1845 as a source of free labour for the local mines

A look at the history of San Quentin, which located in Marin County on the San Francisco Bay, is California's oldest prison dating back to the Gold Rush

The history of Attica, a 90-year-old maximum-security prison in upstate New York, has a legacy of violence and inmate abuse stretching back decades.

A look at the history of Leavenworth. Located 25-miles north-west of Kansas City, it was the largest maximum-security federal prison in the United States for over 100 years

The notorious St Valentine's Day Massacre, when seven members and associates of Chicago's North Side Gang were murdered on February 14 1929

The presenter delves into the mystery of the Lost Colony of Roanoke, navigating North Carolina's dense wilderness and swampy waterways

Four smiths get cooking when they are tasked with forging a chef's knife. Only two head back to their home forge to build a brutal hog splitter

The competitors are tasked with forging signature blades, but with a twist - they must utilise metal sourced from a variety of everyday household items

The guys are awestruck by one of the rarest items ever to come through their doors - an artwork believed to be by Renaissance master Raphael

A rare copy of Seven Years in Tibet signed by author Heinrich Harrer turns up at the shop, and Corey teams up with Chumlee to check out a Three Stooges promotional projector

A collection of original 1960s NBC posters arrive at the shop, and the team is asked to appraise a 1966 Harley Davidson

The pawnbrokers examine a medal with links to Captain Cook, and a putter from the famed 1963 Frank Sinatra Invitational. Plus, Rick's stress levels hit a new high

The staff examine items signed by President Franklin D Roosevelt, as well as a rare photograph taken during baseball star Babe Ruth's debut season

An original sketch from a popular animation is brought into the shop, and Rick is offered what is believed to be a first edition of Richard Nixon's memoir

Explorations of Seahenge's timber circle, an unusual Ukrainian canoe, ancient remains in a mudslide and a relic from Lake Mead's dry bed