U and YESTERDAY

Exploring an ominous tower in the forests of Croatia, a New York City complex that broke the mould, and a grand facility guarding the London riverbanks.

Exploring a desert island with an infected past adrift from the US mainland, the brutalist palace of a mad Bulgarian dictator, and a doomed top-secret Nazi project.

In the 100th episode, Derek is in Northumberland to collect a rare 1975 NSU RO 80, Jack deals with a Mini Mayfair in a barn, and an Aston Martin DBS husk is auctioned.

On the way to pick up two lovely '70s Lotus sports cars, Derek takes to the skies for his first ever helicopter flight in a 1967 Bell 47 chopper.

A D-Day Coverup?: A mile-and-a half of recently-excavated trenches, bunkers, barracks, and gun encasements near Pointe du Hoc, which tell a new story of D-Day.

The fate of the island of Malta hung by a thread during the war. Using drones, experts explore the defences of Malta to understand how the island survived.

The experts visit Aberystwyth in west Wales, where finds include a painting that may be by an important Welsh artist.

Fiona Bruce and the team travel to Wightwick Manor near Wolverhampton, where items include an 18th-century lidded glass goblet.

The team purchase a 1950s Austin Westminster rally car in the hope that seasoned competitor Dave Mathewson can win a race.

A super rare Reliant Scimitar GTC undergoes an expert recommission, leaving no bolt unturned. And a Honda CBR superbike from the 80s is in need of repair.

A D-Day Coverup?: A mile-and-a half of recently-excavated trenches, bunkers, barracks, and gun encasements near Pointe du Hoc, which tell a new story of D-Day.

The fate of the island of Malta hung by a thread during the war. Using drones, experts explore the defences of Malta to understand how the island survived.

The experts visit Aberystwyth in west Wales, where finds include a painting that may be by an important Welsh artist.

The ways in which wild animals have adapted to survive in human population centres, from cobras hunting in houses to macaques stealing mobile phones to barter with.

Simon Reeve examines the friction between Eastern and Western mentalities in Turkey, finding tension between liberal and Islamic cultures.

Simon Reeve journeys through the remote northeast of South America from the spectacular Mount Roraima in Venezuela through Guyana, Suriname, and French Guiana.

The team purchase a 1950s Austin Westminster rally car in the hope that seasoned competitor Dave Mathewson can win a race.

A super rare Reliant Scimitar GTC undergoes an expert recommission, leaving no bolt unturned. And a Honda CBR superbike from the 80s is in need of repair.