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

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

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.

A pair of gigantic baby heads greet passengers at Atocha Station.

Single runway interrupted by a busy road that cuts across its middle.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

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

The world's largest wooden structure.

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

Once the grandest synagogue in medieval Spain, it now stands as a memorial of the 15th-century Jewish exile.

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

An ancient Egyptian temple in the middle of Madrid, Spain.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

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 faux desert landscape in the middle of the jungle that sprouts oases during the rainy season.

A 125-meter long "tribute to the Brazilian people."

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

The southernmost postal office in South America.

The most southern point you can drive to in the Western Hemisphere.

This stunning mass of ice spans 121 square miles and is still growing.