The current seat of the Parliament of Andalusia was once the epicenter of the Great Plague of Seville.

Spain's largest bullring offers a unique glimpse at architecture and history.

The final resting place of the great navigator, or maybe his brother.

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

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

This underground church is topped with a 500-foot cross that is seen by many as a beacon of fascist hubris.

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

The facade of this 16th-century building is decorated with carvings of 300 seashells.

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

An enchanting landscape of ancient sandstone structures eroded into otherworldly shapes.

A contemporary art installation housed within a Gothic cathedral.

The second largest palm grove in Europe was planted during Moorish times and has been largely unchanged since then.

The gardens and chambers of this Moorish citadel conjure memories of the Alhambra.

This Moorish fortress has guarded Málaga from the slopes of Gibralfaro hill for nearly a thousand years.

Bacteria and algae give the salty water its bubblegum hue.

Artist Natividad Sánchez wrote a new ending for one of Roman mythology's tragic love stories.

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

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

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

Geological storytelling.

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

This medieval synagogue survived the Inquisition as a hospital and church.

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

An ancient Roman theatre restored to its former glory in the Spanish city of Cartegena.