The Atomium – Brussels, Belgium - Atlas Obscura

The Atomium

Climb inside an iron crystal magnified 165 billion times its normal size. 


In 1958 the Atomium was built for the Brussels World’s Fair and never intended to be a permanent part of the Brussels landscape, but like the Eiffel tower for the French, once the fair was over the Belgians wanted to keep the giant structure.

Essentially the Atomium is a 335-foot-tall giant iron crystal, replicated in shiny steel. It is formed by nine spheres arranged in the the shape that iron atoms take in their delta and alpha allotropes. (In iron’s gamma allotrope, there are extra atoms at the center of each face of the cube.) The Atomium is magnified 165 billion times the normal size of an iron crystal.

Designed by André Waterkeyn (the director of a federation of metallurgical companies and not a sculptor by trade), one of the original ideas had been to build an upside down version of the Eiffel Tower, but in keeping with a 1950s atomic age theme, they built the Atomium.

The Atomium was recently renovated and all but three of the steel spheres are available to enter and contain everything from an exhibition space, to a restaurant, to a place for Belgian school kids to have sleepovers.

Nearby the Atomium is Mini-Europe, a theme park featuring miniature replicas of European monuments.

Know Before You Go

The Atomium is located in the Northern part of the city of Brussels, a 5 minute walk from the Heysel / Heizel metro station (line 6) and right opposite Mini-Europe.

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