Science and scholarship reopen art history's most famous unresolved portrait.
Examine why Leonardo never handed over the woman long called La Gioconda, and how conflicting records kept her identity in doubt for centuries. Through x-rays, infrared imaging, and rival expert theories, this film tests what the Louvre's masterpiece truly represents. Sign up to see a legendary painting become an engrossing historical puzzle.
Love The Secret of the Mona Lisa? It’s just the start.
Join now to unlock the whole library — thousands of award-winning documentaries beyond The Secret of the Mona Lisa, from the deep ocean to deep space.
Trending Now
- New shows weeklyFresh documentaries land every week.
- Exclusive originalsAward-winning films you can’t stream anywhere else.
- Watch anywherePhone, tablet, web and TV — pick up where you left off.
- No commitmentNo contract. Cancel in a click.
Pick the plan that’s right for you.
Flexible plans, no contracts.
Thousands of documentaries across nature, history, space, and science.
- Watch in 4K on all your devices
- Download and watch offline
- Stream ad-free — cancel anytime
Thousands of documentaries across nature, history, space, and science.
- Up to 4K
- Offline downloads
- Ad-free
Frequently asked questions
Thousands of the world's best documentaries and factual programming — nature, history, science, technology, and biography — including exclusive Curiosity Originals like The Secret of the Mona Lisa. Stream it all ad-free, anytime.
The Secret of the Mona Lisa streams with every plan. Plans start at $4.17/month.
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.