For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

A towering monument in Spain has proven to be more labor-intensive than initially planned.

A rare set of strings by famed instrument maker Antonio Stradivarius is on display in the Royal Palace.

The atmospheric ruins of a historic church can be found on a hill above the city of Oviedo.

This influential Renaissance-era library was once the haunt of kings and monks.

The Roman city was the birthplace of various emperors and is home to one of the empire's most impressive architectural feats.

A five-square-mile slice of Spain on the Mediterranean coast of North Africa.

A magnificent, long-abandoned castle built in the wake of the reconquest of Spain.

A reproduction of the famous prehistoric cave paintings is hidden underground at the National Archaeological Museum.

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

This postmodern apartment block was designed to be a vertical neighborhood.

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

An iconic and controversial ancient Iberian funerary urn with a hauntingly penetrating gaze.

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

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.

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

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

Cliffside houses provide a spectacular view from their perch above the valley.

These magnificent city walls rise from the barren sun-baked Spanish plains like something straight out of a fairytale.

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

A lush indoor jungle fills this bustling Madrid transportation hub.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

This museum is dedicated to the little known ancient Roman history of Vienna.