Series 6

1. The Lost Pirate City

July 9, 2020 · 44m

What happened to an infamous pirate city in Jamaica? Also, a grim gulag in Croatia and a Louisiana plantation caught up in the aftermath of the American Civil War.

2. Forbidden Island

July 16, 2020 · 44m

Examining a ghost island once belonging to a secretive country on the fringes of Europe. Also, a haunting site in the UK with evidence of strange burial practices.

3. Blast Zone

July 23, 2020 · 44m

Within a dense Polish woodland sits a forgotten complex with an explosive history. Also, grand coastal defences in Ghana reveal a tortured past.

4. North Of The Wall

July 30, 2020 · 44m

A complex of stone buildings near Hadrian's Wall that were built to keep Northern hoards at bay. Also, a top secret military facility in the American Midwest.

5. The World's Strangest Disaster Zones

August 6, 2020 · 1h 29m

An extended special featuring a deserted Caribbean city, an American ghost town still burning and an Arctic settlement facing a terrifying future.

6. Defenders Of Liberty

November 3, 2020 · 44m

A now silent site that played a pivotal role defending the U.S through the 20th century. Plus, a crumbling Italian fortress and a ghostly Ukrainian mansion.

7. Space Plane

November 10, 2020 · 44m

A juggernaut of Soviet engineering which was crucial to the international space race. Deserted Scottish coastal defences and a complex that's crucial to American history.

8. Disaster On The 38th Parallel

November 17, 2020 · 44m

The mysterious Cachtice Castle home to Elizabeth Bathory, said to have killed over 600 girls and a mysterious structure on the 38th parallel.

9. Bunker Nation

November 24, 2020 · 44m

A small isolated country littered with strange concrete mushrooms and a secret Japanese facility that was once at the forefront of weapons technology.

10. The Human Zoo

December 1, 2020 · 44m

A creepy collection of buildings, monuments hidden in a Parisian park and an eerie graveyard of discarded ships strewn along the banks of a mighty river.

11. Spike Island

December 8, 2020 · 44m

An impressive compound commandeered and repurposed by a brutal regime and an eerie complex off the coast of Ireland that became the biggest of its kind.