Sophie Elwin-Harris

Maritime mysteries—old and new—come to life in this series, combining scientific data and digital re-creations to reveal shipwrecks, treasures, and sunken cities on the bottom of lakes, seas and oceans around the world.

It spans over 5,000 years of history that have shaped the world. It is full of spectacular sites and epic stories and an evolving society of inventors, heroes, heroines, villains, artisans and pioneers. Professor Joann Fletcher reveals the highs and lows of the most beguiling civilisation in humanity’s rich history in this four-part series made for BBC2.

Explore the ruins of Port Royal, once a flourishing pirate city, known for extravagance, women and liquor. The city which went by the sobriquet "wickedest city on earth", lies in shambles deep below the waters of Jamaica's Kingston Harbor after a devastating tsunami struck it on June 7, 1692

The 1980 eruption of Mount St. Helens was the deadliest in U.S. history. Survivor testimonies and rare images reveal the cataclysms it unleashed.

A unique mix of natural resources, daring investment, the fierce 'Merthyr spirit', global wars and a drive to innovate all transformed this valley town from rural idyl into an industrial superpower.