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Exploring Castel Volturno in Campana in Italy, Colorado and HMP Shepton Mallet in Somerset.

Exploring Camp Hero in Long Island, and a salt mine in Poland.

The team restore a 1988 Golf GTI Convertible - an iconic hot hatch - along with a wooden launch boat and a catch-up with a Mk1 Austin Mini.

A super-rare Renault Clio Williams 2 in F1 blue with contrasting gold alloys turns Dave Mathewson an interesting shade of green.

A chilling discovery in the furthest reaches of Eastern Canada hints at the true depths of the Nazis' seafaring capabilities.

By September 1938, Hitler had occupied Austria and was intent on invading Czechoslovakia. But the British and the French had made it clear that they would go to war if he did so.

The team travels to the Sainsbury Centre for Visual Arts in Norwich, where items include the death mask of William Gladstone.

Fiona Bruce and the team visit Exeter Cathedral, where items include a table apparently used by Bonnie Prince Charlie and artwork painted by Edward VII as a child.

A collection of Austin Mini Metros arrive for auction. Also under the hammer is a baby Fiat 850 coupe and a haulier offloads part of his vintage vehicle collection.

There's an unlikely arrival at the North Yorkshire car auction - an Argentinian Army Mercedes G wagon that saw action in the Falklands War.

A chilling discovery in the furthest reaches of Eastern Canada hints at the true depths of the Nazis' seafaring capabilities.

By September 1938, Hitler had occupied Austria and was intent on invading Czechoslovakia. But the British and the French had made it clear that they would go to war if he did so.

The team travels to the Sainsbury Centre for Visual Arts in Norwich, where items include the death mask of William Gladstone.

Examining the solar force that powers Earth and how life has adapted to the uneven amounts of sunlight given to different parts of the planet over the course of a year.

The team fall for a Subaru Pick-up, which has all the Mathewsons in agreement. But will it all come crashing down when picking up parts proves tricky.

Nash Metropolitan/1935 AC Ace/Ariel Atom Vauxhall Vectra: Derek's in Cambridgeshire picking up a car built in Britain in the '50s for the US market.

A collection of Austin Mini Metros arrive for auction. Also under the hammer is a baby Fiat 850 coupe and a haulier offloads part of his vintage vehicle collection.