Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

Experience what life was like in Ireland during the Viking and medieval ages.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

A slice of central Asia in the middle of Berlin.

Hamburg's first legal sex work is relegated to a gated street that still does not allow pedestrian women.

This contentious squat has stood through fire, violence, and government intervention as a hotbed of leftist protest.

Hamburgers are intensely proud of their tunnel beneath the river.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

Where the lovelorn find a home for their sentimental keepsakes.

A musical instrument played by the sea.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

A pair of connected skyscrapers form this symbolic gateway.

This brutalist monument is inscribed with 9921 names of Yugoslav partisans who perished during WWII.

Oriental bazaar in the heart of Sarajevo.

The place where World War I began.

A war-torn Olympic relic is being overtaken by graffiti and nature.

Bridge that died in war and was resurected.

This virtually windowless mass of smooth concrete is the only Catholic church in the city.

Its frescoes depict the likeness of Marshal Tito, Karl Marx, and Friedrich Engels burning in hell.

A tiny church on a man-made island in the Adriatic.

A curious cave church carved into the face of a cliff.