A ghostly and forgotten art deco bathhouse by the windy shore of Dunkirk, weathered but still standing.

A place of meditation and prayer, the grotto is a replica of the one in Lourdes, built in gratitude for the healing of a seminary priest. This is the first pilgrimage to take place on August 15 north of the Seine.

Museum in a swimming pool where the water still flows.

A monument to the thousands of Canadian soldiers who died capturing the French ridge during World War I.

This statue honors the thousands of Allied avians that served and died for France during World War I.

This monumental mural crafted nearly 40 years ago is still in perfect condition.

This triumphal arch celebrating the Sun King's conquest of Lille is a masterpiece of military architecture.

Atop this electronic store resides a massive fighter jet.

An old anti-aircraft cannon.

This former hospital was once one of the oldest mental health facilities in Europe.

Dedicated to the outnumbered Finnish forces who pushed back Soviet forces during the conflict.

Hundreds of signs pointing to the birthplaces of current Helsinki residents form stalactites on the ceiling of the cave-like Kamppi metro station.

This ten-ton fruit sculpture celebrates the Finland homeland.

This building featuring Brutalist architecture has a rich media production history.

These lakeside pictographs were some of the first pieces of prehistoric artwork found in Finland.

This abandoned villa of makeshift buildings was once the home of dancer Elis Sinistö.

A Brutalist architectural gem hidden among Skopje’s neoclassical buildings.

The church's remarkable frescoes incorporate Finnish artist Hugh Simberg's trademark themes of death and the supernatural.

This figure was carved in the likeness of a voyeur, so that every time he spied across the street, he would find only himself staring back.

This feat of Brutalist architecture is also known as the Three Sisters.

An eerie fountain commemorating the death of a boy that sparked a small war in the 19th century.

This small bronze pyramid marks the center of Belgrade, but some say it is a Masonic symbol.