World War II

At this concrete bunker on the Trondheim fjord, secrets lie above and below the water's surface.

This cruise ship-turned-warship sank during World War II, and is now a world-renowned dive site.

One of the trees in Manchester’s Piccadilly Gardens is actually a World War II memorial, and it's made of metal.

One of the few German synagogues to survive the Kristallnacht pogrom has been beautifully restored.

A unique memorial made up of a collection of memorials, all commemorating the Battle of Okinawa in World War II.

The only museum dedicated to the tile production for which the Rupel region was renowned.

An inverted staircase above the entrance to the Bethnal Green Underground Station functions as a memorial for people who lost their lives during the worst civilian disaster in the U.K. during World War II.

In a narrow river valley just north of Beirut, Lebanon, is a chronicle of human history unlike anything else in the world.

This church with Italian style frescos was constructed by European internees in Zimbabwe during World War II.

A World War II-era sign in Valletta is a reminder of when Malta was besieged so severely that food needed to be rationed.

This market built by German prisoners of war is made of local stones.

This bombed church was given a new life as a contemporary art gallery.

A pile of earth left over from a water supply project was converted into an anti-aircraft installation during World War II.

A memorial dedicated to the 29,000 Istrian freedom fighters of World War II.

A monument to one of Croatia's famous freedom fighters.

The remains of a cable car used for bauxite mining after World War I hides in a coastal forest.

The site of a dress rehearsal for D-Day that ended in disaster.