Browse all 9 episodes in this season, including available images, air dates, runtimes, ratings and episode summaries from TMDB.

Episode 1
Egypt's Great Pyramid is one of the world's greatest and most mysterious marvels, and using cutting-edge tech and the latest engineering innovations, experts reveal what it would take to build the ancient wonder today.

Episode 2
New York's Brooklyn Bridge might be the most important bridge in the world, and it took dangerous, cutting-edge engineering to built it. Experts use the latest tech and modern-day science to reveal if building it a second time would be just as deadly.

Episode 3
Rome's Colosseum is the most famous stadium on the planet, and it took cutting-edge engineering and a fallen emperor to build it. Experts use the latest tech and modern-day science to reveal if building it a second time would be just as difficult.

Episode 4
According to the Bible, Noah's Ark was a world-changing engineering feat, and it took cutting-edge construction to build it. Experts use the latest tech and modern-day science to reveal if building it a second time would be just as difficult.

Episode 5
Rome's aqueducts are one of the greatest engineering marvels in history, and it took dangerous, cutting-edge construction to build them. Experts use the latest tech and modern-day science to reveal if building them a second time would be just as deadly.

Episode 6
The Great Wall of China is one of the world's greatest engineering marvels, and it took dangerous, cutting-edge construction to build it. Experts use the latest tech and modern-day science to reveal if building it a second time would be just as deadly.

Episode 7
Rome's Pantheon hides the secret to the Roman Empire's power, and it took dangerous, cutting-edge engineering to build it. Experts use the latest tech and modern-day science to reveal if building it a second time would be just as deadly.

Episode 8
Experts use today's technology in figuring out if building Venice today would be as dangerous as it was before.

Episode 9
When catastrophic fires ravaged Notre-Dame in April 2019, one of the world's great wonders was left in ruins. Experts use the latest tech and modern-day science to reveal what it will take to build it a second time.