While traveling all continents save Antartica researching the book Up Against the Wall, Peter Laufer photographed walls worldwide.

Walls collapse, as Jerash teaches.


On the road in Cuba.


Reading in Trieste.


Lunchtime in Calexico.


Kunming wall of flowering trees.


Still divided Nicosia.


Lego-like castles walls guard Avila.


Nature + humans = San Marino walls.


Checkpoint Charlie tourist trap.


Alexandria (Virginia) wall of despair?