There have been a lot of amazing and important discoveries done in Leiden. Follow the Route of Discoveries: see new places in the city or fi...

Maths is really everywhere. Make a whirlpool and build your own bridge. Discover what sound looks like and play with perspective like an art...

Celebrate the Maori people and culture! The Old Observatory has partnerd with Volkenkunde Museum to offer very exciting activities!

There have been a lot of amazing and important discoveries done in Leiden. Follow the Route of Discoveries: see new places in the city or fi...

Did you know that Museum Volkenkunde and the Maori have a very special bond? Come to Volkenkunde this weekend and learn all about the Maori ...

Maths is really everywhere. Make a whirlpool and build your own bridge. Discover what sound looks like and play with perspective like an art...

Museum De Lakenhal shows planktonium by Jan van Ijken: a magical art film about the life of plankton.

For lovers of maths, there's a walk they can go on all by themselves: The Leiden Maths Walk with challenging mathematical questions.

Museum De Lakenhal shows planktonium by Jan van Ijken: a magical art film about the life of plankton.

For lovers of maths, there's a walk they can go on all by themselves: The Leiden Maths Walk with challenging mathematical questions.

There have been a lot of amazing and important discoveries done in Leiden. Follow the Route of Discoveries: see new places in the city or fi...

Did you know that Museum Volkenkunde and the Maori have a very special bond? Come to Volkenkunde this weekend and learn all about the Maori ...

Maths is really everywhere. Make a whirlpool and build your own bridge. Discover what sound looks like and play with perspective like an art...

There have been a lot of amazing and important discoveries done in Leiden. Follow the Route of Discoveries: see new places in the city or fi...

Maths is really everywhere. Make a whirlpool and build your own bridge. Discover what sound looks like and play with perspective like an art...

Museum De Lakenhal shows planktonium by Jan van Ijken: a magical art film about the life of plankton.