This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

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

This once-forgotten oasis in the middle of Lisbon was first created over a century ago quite by accident.

This 19th-century fountain's namesake animal isn't what you think it is.

Living towers made of people that are now recognized by UNESCO.

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.

Vibrant street art created with mixed media.

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

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

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

A lush indoor jungle fills this bustling Madrid transportation hub.

This house's itty bitty size means no humans allowed.

One of the most photographed buildings in a city known for its Modernista architecture is an abandoned squat.

Commonly acknowledged as the only public monument to the Devil himself.

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

This cemetery features modernist statues as strange as its name.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

This semi-secret storybook hedge maze is also the oldest garden in the city.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

One of the smallest bookstores on the planet.

A hidden three-foot-wide house separates these two regal churches.

Elaborate tile work in this railway station tells the story of Portugal.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.