Secrets of the Lost EmpireDiscover how ancient Egyptians used nautical experience, ingenuity, and unwavering faith to raise massive 500-ton granite monoliths that have stood for thousands of years in tribute to their unparalleled early civilization.

Travel to Easter Island to discover the secrets of this vanished civilization through the "moai," the massive headstones that these ancient islanders created to achieve peace and harmony, yet resulted in geological disaster.

Tour the crumbling public baths of Rome to learn intimate details of what life was really like for ancient Roman citizens, and in the process, discover the engineering feats that made these baths such an impressive achievement.

Travel to 12th-century China as engineers, scientists and scholars help reveal the intricate mysteries behind the revolutionary strength and elegance of the Rainbow Bridge.

Watch the full documentary now (playlist - 8 hrs, 52 min)