This magnificent castle grew from a small Moorish fortress, and reportedly inspired two iconic Disney castles.

A contemporary art installation housed within a Gothic cathedral.

Giant topiary dog once played a role in a terrorist bomb plot.

Remarkably intact Roman stone fortifications have encircled this Spanish city for centuries.

Barcelona's only remaining tram system takes riders to the Tibidabo funicular.

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

The remains of the second-oldest zoo in Europe can be seen within these library gardens.

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

An early 20th-century bullring converted into a modern shopping center.

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

A cemetery in Barcelona's Poblenou district is home to this touching funerary statue, which depicts death in the form of a winged skeleton.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

This religious complex carved into a cliff is steeped in legends of miraculous stags and the Holy Grail.

Among the oldest structures in Madrid, these Moorish walls once guarded the medieval city of Mayrit.

An eerie collection of the surviving structures from a past celebration of the future.

The oldest Roman lighthouse still in use.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

Turntable anonymously received orphans, alms, and groceries.

This small and often-overlooked museum holds some of Spain's finest artistic treasures.

Occupied for six centuries by Franciscan Order nuns, this monastery is an amazing ode to Catalán Gothic architecture.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

Of the many chalices in the running for the Holy Grail, this one in Valencia Cathedral sure looks the part.

The oldest giants in Catalonia are now displayed in a 14th-century Gothic church.