How to actually use a Berlin Wall map overlay while you are in the city: read which side of the border a spot was on, how far it sat from the line, and what still survives.

The Berlin Wall runs straight through central Berlin, marked by a cobblestone line most visitors walk over without noticing. Here is where it crosses Mitte and how to read it on foot.

The Berliner Mauerweg rings the whole of former West Berlin, so about 50 km runs through the city and roughly 110 km is forest, lake and farmland. The three sections with the highest concentration of surviving Wall and border sites total about 19 km. Here is how to pick a section by what is still standing on it, not by what looks convenient on a map.

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.

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 practical Potsdamer Platz Berlin guide: read the Wall trace, modern skyline and before-and-after history without wasting the stop on the wrong things.

A practical guide to visiting Topography of Terror Berlin: what it covers, how long to allow, free entry, opening hours, audio guide, nearby stops and mistakes to avoid.

The longest surviving stretch of the Berlin Wall, explained by a local guide: the famous murals and what they mean, how to visit, and how it fits the wider Wall story.