Wed. Feb. 21 at 8:30 and 9:30 p.m.
Enjoy back-to-back episodes, from dramatic quests to daring engineering!
Hunt for the Oldest DNA
For decades, scientists have tried to unlock the secrets of ancient DNA. Follow the dramatic quest to recover DNA millions of years old and reveal a lost world from before the last Ice Age.
Building the Eiffel Tower
Explore the revolutionary engineering behind Paris’s iconic landmark. Completed in 1889, the iron tower smashed the record for the tallest structure on Earth, ushering in a new age of global construction that reached for the skies.
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