The Atlas Obscura Guide To

Hidden
Leiden

Discover 17 Cool and Unusual Things to Do in Leiden, Netherlands

Unusual
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Leiden, Netherlands

Museum Boerhaave

Plague Hospital and Madhouse turned Medical Museum.

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Added by RottenHead

Hortus Botanicus Leiden

Leiden, Netherlands

Hortus Botanicus Leiden

A 'living museum' in Leiden, the oldest of its kind in the Netherlands.

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Added by Rachel

The Hidden Eschers of Leiden

Leiden, Netherlands

The Hidden Eschers of Leiden

Tucked away in the Leiden city hall are a group of works by famed artist MC Escher.

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Added by CoolCrab

The world's second-oldest observatory in all its glory

Leiden, Netherlands

Leiden Observatory

Devious political maneuvering and four ancient, working telescopes are central to the world's second-oldest observatory.

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Added by CoolCrab

Leiden, Netherlands

The Wall Poems of Leiden

The works of poetry's biggest names grace the walls of the city of Leiden, all carefully painted by hand.

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Added by WHALEN

Einstein Equation.

Leiden, Netherlands

Leiden’s Wall Formulae

Science meets wall art to highlight the beauty of famous mathematical equations.

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Added by CoolCrab

The Red Stone

Leiden, Netherlands

Leiden Stones

A trio of red, white, and blue stones embedded in the streets of Leiden are markers of medieval territory and law.

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Added by CoolCrab

The elephant drainpipe.

Leiden, Netherlands

Gebouw Leidsch Dagblad Elephant Drainpipe

This historic Dutch newspaper building is covered with media-themed details—and one unrelated oddity.

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Added by CoolCrab

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