Berlin built fourteen market halls in the 1880s and four still sell food. Which one is worth your afternoon depends on the day and the hour, so here is how to pick.

Berlin still has more than 16,000 gas street lamps, almost all in the former West, and only about 3,300 are meant to stay. Type your street to see where yours stand.

Who lived in your flat in 1910? In Berlin you can usually find out, much of it free online. Here is the order I would search in, from the old address books to the building file.

The bear is on every flag and souvenir in Berlin, but few visitors know why. Here is how a pun put it on the coat of arms, and the handful of bears worth a detour on a short trip.

Four rows of lamps, no numbers and no hands. Here is how to read the Berlin clock in about a minute, where to find it, and why its inventor ended up rebuilding the light bulb.

Seven stops, about 6.7 km: from Bebelplatz and the Tiergarten memorial to Magnus-Hirschfeld-Ufer, the Schwules Museum, the pink triangle at Nollendorfplatz and the old Eldorado corner. The order, the day and what is closed when.