CuriosityStream

Discovering how Karl Ludwig Schulmeister entered the world of espionage.

Hundreds of letters long thought to be lost reveal the true life of Josephine de Beauharnais, French Emperor Napoleon I's muse, great love and empress.

Even before the start of recorded history, ancient engineers across the World were erecting giant monuments.

Building for God reached a high point in the Middle Ages when a new engineering movement emerged in Europe.

Discovering how Karl Ludwig Schulmeister entered the world of espionage.

Hundreds of letters long thought to be lost reveal the true life of Josephine de Beauharnais, French Emperor Napoleon I's muse, great love and empress.

Even before the start of recorded history, ancient engineers across the World were erecting giant monuments.

Building for God reached a high point in the Middle Ages when a new engineering movement emerged in Europe.

Discovering how Karl Ludwig Schulmeister entered the world of espionage.

Hundreds of letters long thought to be lost reveal the true life of Josephine de Beauharnais, French Emperor Napoleon I's muse, great love and empress.

Even before the start of recorded history, ancient engineers across the World were erecting giant monuments.

Building for God reached a high point in the Middle Ages when a new engineering movement emerged in Europe.

The current is followed by a unique population of Chilean blue whales and is the last refuge for other extremely rare marine mammals.

Dan O'Neill joins Dr. Juliana Terra, a herpetologist in Southern Brazil, hoping to track down a giant female green anaconda during the mating season; the snake's natural camouflage complicates the task.

With the help of expert animal rescuer Aja Estro, Doug continues his tireless search and rescue missions across the city of Lake Charles following Hurricane Laura.

Doug ventures into the charred neighborhoods of Talent, Ore., with old friend Shannon Jay to save any of the unlucky felines left behind in the wildfire evacuations.

Using an infrared camera strapped onto his drone, Doug Thron travels to the heart of disaster zones to locate and rescue the animals who have been left behind.

In the wake of Hurricane Laura, Doug heads to Louisiana to help a local firefighter find his lost dog and begin rescue operations in the hard-hit city of Lake Charles.

The Humboldt Current is slower than most ocean currents, but it's the most dynamic in the world because it travels for such a long distance and lays the foundation for an intricate marine food chain.

The current is followed by a unique population of Chilean blue whales and is the last refuge for other extremely rare marine mammals.

Dan O'Neill joins Dr. Juliana Terra, a herpetologist in Southern Brazil, hoping to track down a giant female green anaconda during the mating season; the snake's natural camouflage complicates the task.

With the help of expert animal rescuer Aja Estro, Doug continues his tireless search and rescue missions across the city of Lake Charles following Hurricane Laura.

Doug ventures into the charred neighborhoods of Talent, Ore., with old friend Shannon Jay to save any of the unlucky felines left behind in the wildfire evacuations.

Using an infrared camera strapped onto his drone, Doug Thron travels to the heart of disaster zones to locate and rescue the animals who have been left behind.

In the wake of Hurricane Laura, Doug heads to Louisiana to help a local firefighter find his lost dog and begin rescue operations in the hard-hit city of Lake Charles.

The Humboldt Current is slower than most ocean currents, but it's the most dynamic in the world because it travels for such a long distance and lays the foundation for an intricate marine food chain.

The current is followed by a unique population of Chilean blue whales and is the last refuge for other extremely rare marine mammals.

Dan O'Neill joins Dr. Juliana Terra, a herpetologist in Southern Brazil, hoping to track down a giant female green anaconda during the mating season; the snake's natural camouflage complicates the task.

With the help of expert animal rescuer Aja Estro, Doug continues his tireless search and rescue missions across the city of Lake Charles following Hurricane Laura.

Doug ventures into the charred neighborhoods of Talent, Ore., with old friend Shannon Jay to save any of the unlucky felines left behind in the wildfire evacuations.

Using an infrared camera strapped onto his drone, Doug Thron travels to the heart of disaster zones to locate and rescue the animals who have been left behind.

In the wake of Hurricane Laura, Doug heads to Louisiana to help a local firefighter find his lost dog and begin rescue operations in the hard-hit city of Lake Charles.

The Humboldt Current is slower than most ocean currents, but it's the most dynamic in the world because it travels for such a long distance and lays the foundation for an intricate marine food chain.

The current is followed by a unique population of Chilean blue whales and is the last refuge for other extremely rare marine mammals.

Dan O'Neill joins Dr. Juliana Terra, a herpetologist in Southern Brazil, hoping to track down a giant female green anaconda during the mating season; the snake's natural camouflage complicates the task.

With the help of expert animal rescuer Aja Estro, Doug continues his tireless search and rescue missions across the city of Lake Charles following Hurricane Laura.

Doug ventures into the charred neighborhoods of Talent, Ore., with old friend Shannon Jay to save any of the unlucky felines left behind in the wildfire evacuations.

Using an infrared camera strapped onto his drone, Doug Thron travels to the heart of disaster zones to locate and rescue the animals who have been left behind.

In the wake of Hurricane Laura, Doug heads to Louisiana to help a local firefighter find his lost dog and begin rescue operations in the hard-hit city of Lake Charles.

The Humboldt Current is slower than most ocean currents, but it's the most dynamic in the world because it travels for such a long distance and lays the foundation for an intricate marine food chain.

The current is followed by a unique population of Chilean blue whales and is the last refuge for other extremely rare marine mammals.

Dan O'Neill joins Dr. Juliana Terra, a herpetologist in Southern Brazil, hoping to track down a giant female green anaconda during the mating season; the snake's natural camouflage complicates the task.

The unexpected stories behind the inventions of the teabag, the gin & tonic, Disulfiram, and American female politicians.

A look at how globalization leads to competition for the same resources, putting the planet under pressure but also creating opportunities.

Segments include: LIT Motors C-1, Liquipel, Ciclotte, Hanebrink All-Terrain Bike, Tushek Supercars.

Segments include: McLaren MP4-12c, MWE Emperor 1510 Workstation, ZBoard, EB Racing 1190 RS.

Segments include: Rimac Automobili Concept_One, Quinting Watches, Buben & Zorweg Watch Winders and Safes, Sea-Doo.

Segments include: Bugatti Veyron Vitesse, CaddyTrek, EH Line Crawlerbike, Zero S Motorcycle.

How a party drug from the 19th Century, and a banged knee, led to the invention of anesthetics; electrotherapy and the true story behind the invention of the telephone.