The Berlin Wall was a fortified barrier that divided the city of Berlin.
The Wire of Death was a lethal electric fence created by the German military to control the Belgian-Dutch border during World War I.
The Hungarian border barrier is a series of fences constructed by Hungary in 2015.
The Ceuta border fence forms part of the Morocco–Spain border at Ceuta, a city on the North African coast.
The Philadelphi Route is a strip of land along the border between Gaza and Egypt.
The China–North Korea border stretches over 1,352 kilometers.