One of the world's most notable feats of architecture is the Colosseum in Rome. Opened in 80 CE by Emperor Titus, this ...

Explore a plan of the Colosseum to investigate six key areas. Each shows an aspect of the sophisticated technology and planning that lie behind this incredible structure.

How many bricks or stones went into building the Colosseum? I have no way of making that estimate. It's something I have never counted as far as stones, but I would say that from the quarries at ...

As the most enduring symbol of the Roman Empire and one of the most famous landmarks in the world, the Colosseum receives more than 6 million visitors per year – which means it's not easy to ...