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A strange structure discovered in the Gobi Desert could reveal the whereabouts of lost treasure - changing everything we know about Genghis Khan.

When a strange plane is discovered near the sight of the Roswell UFO incident, experts wonder if the aircraft has Nazi or extraterrestrial origins.

A customer comes in with a rare HG Wells book and an enormous asking price, while a horse statue made of turquoise moseys on in.

There's No Crying in Pawn Stars: Chum puts his best foot forward when a Nike LeBron sneaker hits the counter, while Rick keeps tabs on a signed Pulp Fiction poster.

Chum brings out his inner warrior when a Japanese samurai mask hits the counter and a Norman Rockwell autograph comes into the shop.

Rick and Corey dart out of the shop to check out a 1968 convertible. Meanwhile, Chum desperately wants a piece of an oreodont fossil.

A strange structure discovered in the Gobi Desert could reveal the whereabouts of lost treasure - changing everything we know about Genghis Khan.

In Rotorua, stunt dog Hayes hits the small screen, big time. Meanwhile, Auckland Customs Team Oleana and Zion discover a major concealment.

Mike and Jersey embark on two intriguing picking expeditions that take them to a carnival collection, full of amusement park relics.

A surprise item may send the Israelis in search of major dollars. Jason strikes on a container full of wood and weird gear.

Items from New Orleans stimulate a frenzy of bidding, while a refrigerated unit sends chills down bidders' spines.

A new team surface and pose a threat to Mo, a three-wheeled item entices Matthew and a cluster of table-tennis balls cause confusion.

Buyers clash over outdoor BBQs and a portable rave unit. Mo and Ty take a big gamble on a speedy prize.

Buyers clash over a playground, a treasure trove of bicycle gear and a mystery container.

Day Late and a Dollar Short: Four containers are auctioned after their holiday deadline passes, Uzi gets a fright and an enigmatic logo could lead to a cash windfall.

A seller brings in an unusual diamond crafted from the DNA of a musical genius. A vintage book collection also comes in, and Chum has a birthday surprise for Rick.

Back in Hawaiian Gardens, Emily's husband Cody misses a bid and stirs up trouble, while Ivy revisits some of his glory days... in a way.

Out in Hesperia, Mary's transportation troubles lead to teaming up with Kenny and taking him out to pasture.

Alice explores one of the most tantalising threads in Grail lore: the claim that the Knights Templar buried the Holy Grail beneath Rosslyn Chapel. (3 of.

As Napoleon's army reaches Egypt, artists and scholars explore ancient wonders and uncover clues to a lost language. (1 of.

Think today's roads are risky? These flawed automotive innovations turned everyday commutes into crash courses in survival.

A seller brings in an unusual diamond crafted from the DNA of a musical genius. A vintage book collection also comes in, and Chum has a birthday surprise for Rick.

The Pawn Stars check out a supercharged motorcycle, a calculator from 1915 and 200-year-old buttons with possible links to George Washington.

Rick eyes a giant US Navy Jack, while the team are pitched a signed photo of Cy Young, a 1930s spanker and more.

Mike and Jersey visit Chicago's North Side to access a historic home packed with rare, high-end antique toys, uncovering treasures in an exclusive pick.

On the Appalachian: In the heart of the Appalachian Mountains is the world-renowned Clay Spencer Blacksmith shop, where three top smiths will be tested.

Alice explores one of the most tantalising threads in Grail lore: the claim that the Knights Templar buried the Holy Grail beneath Rosslyn Chapel. (3 of.

As Napoleon's army reaches Egypt, artists and scholars explore ancient wonders and uncover clues to a lost language. (1 of.

Think today's roads are risky? These flawed automotive innovations turned everyday commutes into crash courses in survival.

History is full of people pushing the limits, but some are more astonishing than others.