Closest Look Ever at How Pyramids Were Built
26:37
Updating the Great Pyramid Internal Ramp Theory
7:07
How I Would Build The Great Pyramids
52:41
Torre Eiffel, História de uma Aposta Incrível
16:20
The Tomb of Saint Peter Explained
21:38
Why the Summit of the Great Pyramid is Missing
31:33
O Mais Antigo Problema Não Resolvido da Matemática
18:19
Why wasn't Portugal Conquered by Spain?
18:00