Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

The world's largest wooden structure.

A Spanish town built into the cliffs.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

This cemetery features modernist statues as strange as its name.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

This exclusive resort has completely covered a tiny Balkan island in a 5-star warren of guest rooms.

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

A curious little museum dedicated to the furry feline in the cat haven that is Old Town Kotor.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

The castle where Martin Luther secretly translated the New Testament from Greek to German while in hiding.

The Goose Girl of Göttingen, Germany might well be the most kissed girl in the world.

The medieval institution is home to the precious treasure stolen in World War II in one of the greatest art thefts of the 20th century.

Metro station with a claim to rock n' roll fame.

An exquisite panometer representing Dresden as it was from 1695 to 1760.

The Bauhaus-style former industrial complex is considered the world's most beautiful coal mine.

This lurid German fountain plots the sad course of marriage from dating to death.

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

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

The "Prussian Versailles" that is as glorious today as when it was built.