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Ancient Engineering Marvels

(Credit: Matt Mawson/Getty Images)
Ancient Engineering Marvels

A floating city of 250,000 people

By Soumya Gayatri

(Credit: Marko Stavric Photography/Getty Images)
Ancient Engineering Marvels

How huge statues 'walked' 900 years ago

By Sarah Brown
(Credit: 4Kodiak/Getty Images)
Ancient Engineering Marvels

The desert people who built a US city

By Keridwen Cornelius
The Ziggurat of Ur is a 4,100-year-old massive, tiered shrine lined with giant staircases (Credit: Geena Truman)
Ancient Engineering Marvels

Iraq's answer to the pyramids

By Geena Truman
(Credit: StevenGaertner/Getty Images)
Ancient Engineering Marvels

Can Hawaii solve a global food crisis?

By Melanie Haiken
Jaipur's Jantar Mantar is a 300-year-old observatory of sculptures that can measure the positions of stars and planets, and precisely tell the time (Credit: Meinzahn/Getty Images)
Ancient Engineering Marvels

The city built on a cosmic grid

By Shalbha Sarda
The Alhambra had one of the most sophisticated hydraulic networks in the world, able to raise water from the river nearly a kilometre below. (Credit: Perszing1982/Getty Images)
Ancient Engineering Marvels

The city where water defies gravity

By Esme Fox
(Credit: FAO-GIAHS)
Adventure & Experience

An ingenious way to feed a city

By Keith Drew
(Credit: Greg Olsen)
Ancient Engineering Marvels

Is this Canada's 'Stonehenge'?

By Debbie Olsen
(Credit: Anton Aleksenko/Getty Images)
Ancient Engineering Marvels

How Rome's monuments are still standing

By Alex Fox
The Incan agricultural site of Moray with mountains in background
Ancient Engineering Marvels

The technology that powered the Inca

By Shafik Meghji
Lion Rock in Sigiriya on a sunny day, Sri Lanka
Ancient Engineering Marvels

A 'luxury resort' from 1,500 years ago

By Katie Lockhart
Angkor Wat temples reflected in water
Ancient Engineering Marvels

Asia's empire crushed by water

By Marissa Carruthers
Sprawling Honghe Hani Rice Terraces in clouds in Yuanyang, China
Ancient Engineering Marvels

China's ancient 'stairways to heaven'

By Gary Jones
View of British Columbia coast, Canada
Ancient Engineering Marvels

A mystery off Canada's coast

By Diane Selkirk
Mud houses in Sanaa in Yemen
Ancient Engineering Marvels

Yemen's ancient skyscraper cities

By Ulrike Lemmin-Woolfrey