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Angkor Wat: How Was It Built (05:00)

Nationl Geographic Channel

Videos

ANCIENT MEGASTRUCTURES

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Petra: Four Burial Chambers

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Machu Picchu: The battle with gravity

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Machu Picchu: Location

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Istanbul's Hagia Sophia: The replacement dome

The dome created by Isidore the Younger to replace... 04:54

Istanbul's Hagia Sophia: Decorating the cathedral

With the dome in place, Isidore the Elder could now... 03:00

Istanbul's Hagia Sophia: Problems with construction

Jutting from the main supporting piers are a set of... 02:57

Istanbul's Hagia Sophia: The Arches

Spanning 31meters, the grand arches form a nave about... 03:00

Istanbul's Hagia Sophia: A disaster waiting to happen

Even before they have erected the first stone, Justinian’s... 02:59

Istanbul's Hagia Sophia: The Dome

This is the crowning glory of Hagia Sophia. It is... 04:58

Istanbul's Hagia Sophia

Lying in northwest Turkey, at the junction between... 02:53

Angkor Wat: A home fit for the gods

Suryavarman’s builders race against time to finish... 04:58

Angkor Wat: The survival of Angkor Wat

Despite the best efforts of Suryavarman’s engineers... 03:00

Angkor Wat: Woodwork and Stonework

The scope and scale of the Khmer Empire means that... 03:00

Angkor Wat: Carving the Stone

At the Angkor Wat site, workers swarm all over, unloading... 04:57

Angkor Wat: The Largest Temple in the Khmer Empire

Consulting with his priests and advisors, Suryavarman... 03:00

Angkor Wat

Home to more than 1 million people in the twelfth... 00:53

Petra; Al Khazneh

Al Khazneh is Petra’s architectural highlight. Find... 04:59

Petra: Ancient City

The ancient lost city of Petra is a magnificent sight... 02:28

Petra: Master Engineering

Find out about the constructional engineering that... 02:55

Petra

Petra is one of the world’s most mysterious ancient... 01:04

Petra: Water In The Desert

Discover how the Nabutian builders of Petra transported... 02:59

St Paul's Cathedral: Out Of The Fire

Discover the secrets behind the building of St Paul’s... 04:52

St Paul's Cathedral: Parliament

Sir Christopher Wren made a colossal gamble in completing... 03:00

St Paul's Cathedral: Religious Conflict

It was 9 years after the Great Fire of London before... 02:59

St Paul's Cathedral

When the Great Fire of 1666 destroyed St. Paul’s Cathedral... 01:14

St Paul's Cathedral: The Dome

The most iconic element of St Paul’s is the mighty... 02:59

St Paul's Catherdral: The Great Model Design

The equivalent of half a million dollars in today’s... 02:58

Angkor Wat: City On Water

Explore Angkor Wat – one of the most impressive engineering... 03:00

Angkor Wat: How Was It Built

Angkor Wat was like no other medieval building in... 05:00

Angkor Wat: Magic Stone

Laterite, a ‘magic stone,’ was massively important... 03:00

Angkor Wat: The Moat Explained

Find out why the gigantic moat surrounding Angkor... 03:00