German Spy Museum

Berlin was the espionage capital of the twentieth century — a city where the CIA, KGB, Stasi, MI6 and BND all ran networks within walking distance of each other — and the German Spy Museum sits on the literal ground where they faced off: Leipziger Platz, formerly the floodlit death strip between the Wall's inner and outer barriers. The location is the first exhibit; glass floor panels show the border's course under your feet.

The collection is a thousand-plus artefacts of real tradecraft, arranged from Bible-era ciphers to Cambridge Analytica: an original Enigma machine you can trace the rotor logic on, the KGB's lipstick pistol and umbrella-tip ricin gun (the Markov assassination gets its full story), cameras in buttons, shoes and tree stumps, Stasi smell-sample jars — the regime literally archived dissidents' scent for the dogs — and the West's toys alongside: the Berlin Tunnel wiretap operation, drone pigeons, the lot. The Cold War Berlin section is the strongest room, as it should be: dead drops on specific bridges, exchange protocols on the Glienicke Bridge, both sides' double agents mapped onto the city you'll walk back out into.

It's also honestly fun in a way serious Berlin museums refuse to be. The interactive layer works: crack ciphers at terminals, take a functioning polygraph test, morse your name, and finish in the laser maze — a room of criss-crossed beams you contort through against the clock while your companions watch you on the surveillance feed, which is thematically perfect. Children and competitive adults both emerge sweaty.

Two hours covers it well. Buy the skip-the-line ticket online (modest discount, and the weekend queue at Leipziger Platz is real), go late afternoon when school groups are gone, and pair it with the Topography of Terror ten minutes' walk west if you want the heavyweight counterpart — the same century, minus the gadgets