Alpine storms, hidden depths, and rare lake life reveal a submerged world.
Explore Germany's and Austria's most striking lakes as this series uncovers rare species, unusual ecosystems, and the geological forces shaping them. From frigid Alpine depths to dramatic underwater habitats, each discovery reveals how much remains unseen beneath calm and tempestuous surfaces. Sign up to experience a sharper, more fascinating view of the natural world.
Episode guide
2 episodes- New shows weeklyFresh documentaries land every week.
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Thousands of the world's best documentaries and factual programming — nature, history, science, technology, and biography — including exclusive Curiosity Originals like Lake Life: Secrets Beneath the Surface. Stream it all ad-free, anytime.
Lake Life: Secrets Beneath the Surface streams with every plan.
Watch on the web, iOS and Android, Roku, Apple TV, Amazon Fire TV, Chromecast, Android TV, and most smart TVs. Start on one device and pick up right where you left off on another.
Curiosity Stream is our streaming service — thousands of documentaries and originals. The Smart Bundle is Curiosity Stream plus four other independent streaming services (Tastemade, Kidstream, Curiosity University, and SOMM TV) on a single subscription.

