Some of the smallest works of art in existence.

Medieval village and microminiature museum.

Hidden well off the beaten path in Catalonia is this crumbling medieval castle that is slowly being covered in graffiti.

Holy Grotto of Montserrat Monastery holds one of Europe's mysterious black Madonnas.

A Spanish forest is filled with mysterious stone carvings.

This cemetery features modernist statues as strange as its name.

One of Europe's largest supercomputers is housed inside of a disused chapel.

A former steam-powered mill from the 1800s is now an industrial park with a giant steel dragon slide.

18th century anatomical amphitheater of the Royal College of Surgery of Barcelona.

Turntable anonymously received orphans, alms, and groceries.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

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

The studio of Catalonia's most famous theatrical designer remains exactly as he left it.