Berlin kept most of its twentieth century underground, and the only way in is a guided tour you have to book properly. Here is which of the tours to pick, why they do not all start at Gesundbrunnen, and how the 30 day ticket window works.

For 28 years West Berlin trains ran through East Berlin without stopping, past 15 sealed and guarded platforms. Here is the full list, what happened at each one, and the only two places where it is still worth getting off today.

The Stasi Museum Berlin sits inside the real headquarters of East Germany's secret police, with Erich Mielke's preserved office and the surveillance gadgets. Here are 2026 tickets and hours, how to get there, and how it differs from the Hohenschönhausen prison, so you pick the right Cold War site for your trip.

Teufelsberg is one of Berlin's strangest places: a hill built by hand from wartime rubble, over a buried Nazi building, topped by an abandoned NSA spy station and now covered in street art. Here is what it is and how to visit in 2026.

A Berlin guide's practical guide to the Berlin Wall Memorial on Bernauer Strasse: the preserved death strip, the viewing tower, the ghost station and the Window of Remembrance, plus hours and how to get there.

A Berlin guide's honest take on the DDR Museum: what is inside, tickets and hours, why your Museum Pass will not cover it, and the two calm windows to visit before the crowds.