Secrets

Uncover some of history's greatest secrets using today's latest research and techniques.
Watch Season 7 Ep 1

Episodes

S7 • E1

Cleopatra's Lost City

S7 • E2

Rome's Secret Weapon

S7 • E3

Underwater Stonehenge

S7 • E4

Griffin Warrior

S7 • E5

Riddle of the Roman Skulls

S7 • E6

Murdered Pharaoh

All Specials

Behind the Holiday: Thanksgiving
Battle Of Midway: The True Story
The Day Kennedy Died
9/11: The Heartland Tapes
B2: Stealth at War
Adolf Island
When Whales Walked: Journeys in Deep Time
Aboard Air Force One
Mystery in Yellowstone
Building Star Trek
Top Ten Deadliest Beasts
9/11: Stories in Fragments
Making Tracks on Mars
Virus Hunting: Cave to COVID
Battle of Little Bighorn
100 Missions
Aerial New Zealand
MLK: The Assassination Tapes
Aerial Ireland
America's National Parks at 100
Titanoboa: Monster Snake
A-Bombs Over Nevada
Africa's Piranha
Titanic's Final Mystery
Cher & the Loneliest Elephant
747: The Jumbo Revolution
Mystery Hope Diamo
America Monuments
World's Biggest Be
China's Emperor
Lincoln's Last Day
Blondie NY
Black Wings
Chilean Mine Rescu
Cobra King
COVID: Shanghai
Baby New at the Zoo
Smi_Baboonking
Smi_Animalsaloft
Ocean Mystery, An

All Series

Aerial Africa
Aerial America
Aerial Britain
Aerial Cities
Africa's Hunters
Predator Zones
Air Disasters
Air Warriors
Alaska Aircrash
America in Color
America's Hidden Stories
An American Aristocrat's Guide to Great Estates
Smi_Animalempires
Apocalypse: The Second World War
Britain in Color
Carriers at War
Catching Killers
China From Above
China's Dragon Emp
Civil War 360
Combat Ships
Critter Quest
Design With Other
Disasters at Sea
Dogs with Extraordinary Jobs
Greek Island Odyssey
Hell Below
Henry VIII Men
History in HD
How Did They Build That?
Inside Windsor
Inside the Tower of London
Legends of the Pharaohs
Mighty Cruise Ships
Mighty Trains
Million Dollar American Princesses
Murderous History
Mystery Files
Mystic Britain
Orangutan Jungle School