The ruins under Christiansborg Castle, photos SLKE

Copenhagen underground

Have you ever thought about what Copenhagen looks like below the surface? Take a tour of the ruins underneath Christiansborg Castle and discover a castle underneath a castle underneath another castle, namely the ruins of Bishop Absalon's Castle from 1167 and the fairytale Castle of Copenhagen, which was demolished in 1731. Another underground gem is Cisternerne - Museum of Modern Glass Art, located below Søndermarken park and built in Copenhagen's old water reservoirs. Discover Copenhagen's underworld - the city will never be the same to you.

We also recommend our guides to top 10 Copenhagen from above and top 10 history museums.

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