The Atlas Obscura Guide To

Hidden
Leiden

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

Unusual
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in Leiden

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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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kristof26 wants to go to Café De Vergulde Kruik (The Gilded Jar Café)

kristof26 wants to go to The Old Leiden Belltower

kristof26 wants to go to Zweetkamertje (Sweat Room)

kristof26 wants to go to Hortus Botanicus Leiden

AbacusP wants to go to Einstein's Sink

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