This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

Thanks to an acoustic anomaly, this unassuming stone bench has heard one hundred years of secrets.

An accidental trick of light casts the perfect shadow of a pilgrim of the Camino de Santiago against the cathedral wall.

An exact replica of a colossal Olmec head sits atop a pyramid within a Madrid traffic circle.

This amazing abuela became a diehard metal fan late in life and an icon of Madrid's '80s rock scene.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

The modern birthplace of Irish freedom.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

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

This courtly monument celebrates an influential comedian who turned taking the piss out of the powers-that-be into an art.

The enchanting archway is the only surviving portal into Dublin's lost medieval wall.

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

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

One of Ireland's most infamous prisons for rebels including men, women and children.

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

A replica of the Liberty Bell rang daily from West Berlin's City Hall throughout the Cold War.

A restaurant and observation deck built in a unique broadcasting antenna.

Berlin's old airport.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.