It started being built in 72 Ad and wasn't finished until 80 AD. And when the Roman Colosseum finally opened with 100 days of games, hundreds of gladiators and animals were killed.

Brachiosaurus was the tallest dino of them all. When you're this tall who has enemies? Not Brachy. The only predators that lived in the same time period as this dino were much smaller.

Mummies have been found all over the world but Egyptian bodies have been preserved the longest. Find out exactly what a mummy is right here.

During the Early Stone Ages a city existed that was so advanced it seemed out of a sci-fi movie. So what happened to Atlantis?

Egyptians came up with the first method of making paper. They used the stem from a water plant, cut it up, soaked it, flattened it and dried it. The outcome was a sheet of paper they called papyrus.

Ancient Egyptians came up with the first form of the alphabet. They used more than 2,000 common objects that represented letters.

Some books come with fuzzy covers and some books even come with their own lock. Prehistoric Worlds comes with a warning: Beware of dinosaurs that will suck you into the pages of this book.

From eating deer brains to hiding glass pickles, Kidzworld looks at old Christmas traditions from around the world.

When the Olympic Games first started in Greece, they built a huge temple. As time passed, they wanted something more impressive so they built a statue so huge you couldn't even see the top.

The Colossus of Rhodes apparently stood near Mandraki harbor in Greece. Do you believe historians?

A griffin is a creature with the head and wings of an eagle and a body like a lion. They are said to be from India and are depicted in Greek mythology.

Around 550 BC, a temple was built for the goddess Artemis. Lots of gods have had temples built for them but this temple was special. So special it even became one of the seven wonders of the world.

Many mysteries surround King Tut-Ankh-Amen and his short reign as Egyptian pharaoh. Was he really murdered? We may never know all the answers but historians have some pretty good guesses.

The remains of a mummy thought to belong to a queen who ruled 4,300 years ago have been discovered in Egypt.

Find your dragon within.

In The Book of Time you watched Sam Faulkner uncover the gateway into the past. Now join Sam as he continues his search through time to find his father in The Gate of Days.