Discovery

How and why did Italians build a great metropolis on a lagoon?

I'm sure we've all heard of countries like the USA, Germany, Australia and Japan, they are countries that are known across the world due to their influence on the world.

One day around 15,000 years ago, a wall of ice 2,000 feet tall and 30 miles wide suddenly broke wide open, and it unleashed the largest flood that we know of in the history of Earth. Come and hit the road with me as we search for the geologic fingerprints...

The March 11, 2011 earthquake and tsunami left more than 28,000 dead or missing. See incredible footage of the tsunami swamping cities and turning buildings into rubble.

Subduction zone earthquakes are the largest and most destructive on earth. In 2004 a 9.1 megaquake hit Sumatra off the coast of Indonesia, unleashing a massive tsunami and killing 227,898 people.

The Dark Ages have been misunderstood. History has identified the period following the fall of the Roman Empire as a descent into barbarism - a terrible time when civilization stopped.

Transylvania, a place we have all heard of… A medieval landscape with mysterious tales of ghosts, werewolfs and, vampires… but is there truth behind the scary stories?

Berlin, Germany was the battlefield of the 20th century, and today, sealed up and forgotten beneath its streets are the remnants of a dark past. Find out more in Season 1, Episode 2, "WWII Underground Lair."

Thorn, eth, yogh, wynn, ash, ethel, eng, long S & the Tironian et. This video takes you on a tour of the letters we don't use anymore. It'll tell you where they came from and why they disappeared.

Santa Cruz del Islote in northern Colombia is the most crowded island on Earth, with density of population a staggering 68,000 people per square kilometer. I went there and tried everything that the most densely populated island in the world offers.

Researchers have discovered evidence of human DNA that might've mixed with extraterrestrials, see more in this clip from Season 1, "Ancient Aliens Special Presentation."

Artist Lachlan Goudie presents a highly personal documentary, inspired by his father, in which he investigates why witches have cast such a powerful spell over generations of artists.

Reverence for the number three dates back thousands of years, and can still be found today in art, architecture, science, literature, and religion. What is it about this number that continues to fascinate mankind? Could this recurring motif contain a prof...

Halloween has become a six billion dollar industry. Go behind-the-scenes at Knott's Berry Farm's 35th annual Halloween Haunt. Learn how to apply Hollywood grade monster make-up, in Season 14, Episode 31, "Halloween Tech."

The ancient hobbies of years gone by are fascinating and fraught with interesting facts that many of us might not know today. People of the past didn’t have the modern luxuries most of the developed world has now, so for entertainment, a fair amount of im...

There are many strange and fascinating facts buried in the long, bizarre history of the Olympics. The Summer Olympics of 2016 look almost nothing like those from a century ago, and it’s not just the slick presentation and technological advancements in the...