Top 5 Tallest Buildings Throughout History
6:58
Europe's Largest Cities Throughout History: Every Year
18:41
Tallest Skyscrapers in the World (3D Size Comparison)
10:51
The Spread of Writing: Every Year
6:30
The Growth of London: Every Year
12:54
No one has ever seen the world's tallest tower collapse... until now
21:38
Why the Summit of the Great Pyramid is Missing
11:36
History of the Earth
19:08