The letter "U" from a U-Bahn station, the "le" from Alexanderplatz or the famous "Zierfische" logo of the now Geschlossen aquaristics shop at Frankfurter Tor: Barbara Dechant and Anja Schulze have saved letters from the Berlin public since 2005.
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                                Gas Light Open Air Museum
You'll get in a romantic mood when walking amongst 90 historic gas lanterns from all over Europe in the Gas Light Open Air Museum.
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                                Werkbundarchiv – Museum of Things
Salt and pepper shakers in the shape of a woman's bust, trainers with the portrait of Obama or a rubber duck that needs to be strangled stand here side by side with design classics like the Panton Chair, the record player "SK 61" by Braun or the Frankfurt Kitchen - the world's first built-in kitchen.
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                                German Currywurst Museum Berlin
Permanently closed since December 2018.
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                                Humboldt Terrassen – Café and Restaurant
The Humboldt-Box near the Berlin Cathedral is permanently closed.