Why hasn't the Pantheon's dome collapsed?
15:21
How Much Would it Cost to Build the Colosseum Today?
11:01
Explore the secret rooms of the Pantheon
16:23
In 1626, St. Peter's cost $33 Billion. What would it cost now?
16:08
Why We Should Build With STONE (Again)
18:43
How did ancient people travel without maps? | How did they imagine the world?
18:19
Why wasn't Portugal Conquered by Spain?
8:40
Why was Roman Concrete Forgotten during the Middle Ages?
23:11