<n>Casa Batlló</n>, an <n>Art Nouveau</n> building in Barcelona by <n>Antoni Gaudí</n>.

The facade of the building at <n>Enric Granados 119</n> in Barcelona.

The <n>mosaic benches</n> in <n>Park Güell</n>, Barcelona, designed by architect <n>Antoni Gaudí</n>.

<n>Casa Batlló</n> in Barcelona, designed by architect <n>Antoni Gaudí</n> and completed in 1906.

An <n>Art Nouveau</n> building in the Le Suquet old town of Cannes, France.

Parisian rooftops at dusk. Photo by <n>Raphael Metivet</n>.

<n>Parc Güell</n> in Barcelona, designed by <n>Antoni Gaudí</n>. Photo by <n>Claudio Bezerra</n>.

The <n>Art Nouveau</n> facade of <n>Casa Batlló</n> in Barcelona, designed by <n>Antoni Gaudí</n>.

The <n>azulejo</n> tile facade of <n>Igreja do Carmo</n> in Porto. Photo by <n>Andre Vicente Goncalves</n>.

The <n>Villa of Cala Mare</n> in Italy, reclaimed by nature. Photo by <n>Roman Robroek</n>.

<n>Casa Comalat</n> by <n>Salvador Valeri i Pupurull</n> in Barcelona. Photo by <n>Yamil Doval</n>.

<n>The Concourse of the Birds</n> (c. 1600) by <n>Habiballah of Sava</n>, illustrating a poem by <n>Farid al-Din `Attar</n>.

A photograph of a building in <n>Barcelona</n> by <n>Matias Galeano</n>.

An example of <n>Antoni Gaudí</n>'s <n>Organic Architecture</n> in Barcelona, Spain.

Learn all about Antoni Gaudi’s fantastical, organic, completely real architecture in a free YouTube vid • Offbeat Home & Life

A building facade in <n>Paris</n>, France.

An <n>Abandoned greenhouse</n> in France.

<n>The Evening</n>, a <n>Symbolist</n> painting by <n>Gustave Moreau</n>, 1887.

The <n>Art Nouveau</n> <n>Lavirotte Building</n> in Paris, designed by architect <n>Jules Lavirotte</n> in 1901.

The <n>Art Nouveau</n> facade of the <n>Maison Saint-Cyr</n> in Brussels, designed by architect <n>Gustave Strauven</n>.

Maison Saint-Cyr – 11 square Ambiorix, Bruxelles – Architecte Gustave Strauven (1903)

A window detail of <n>Casa Batlló</n> in Barcelona, designed by architect <n>Antoni Gaudí</n> in the <n>Art Nouveau</n> style.

The facade of <n>Casa Comalat</n> in Barcelona, designed by architect <n>Salvador Valeri i Pupurull</n> in the <n>Catalan Modernisme</n> style.

The <n>Art Nouveau</n> <n>Villa Scott</n> in Turin, a filming location for Dario Argento's <n>Profondo Rosso</n>.

Digital illustration <n>gaudi in istanbul</n> created with <n>Midjourney</n>.

Interior staircase of <n>Casa Batlló</n> in Barcelona, designed by <n>Antoni Gaudí</n>.

The staircase of <n>Casa Batlló</n> in Barcelona, designed by <n>Antoni Gaudí</n>. Photo by <n>Roberto Pastor</n>.

A <n>Beaux-Arts</n> building facade in Budapest, Hungary.

The final painting in <n>Thomas Cole</n>'s five-part series, <n>The Course of Empire: Desolation</n> (1836).

A Parisian apartment building facade with <n>Belle Époque</n> and <n>Art Nouveau</n> architectural details.

<n>The Highcastle Path</n>, a digital artwork in an <n>Art Nouveau</n> style.

The <n>Art Nouveau</n> entrance of the <n>Lavirotte Building</n> in Paris, designed by <n>Jules Lavirotte</n>. Photo by <n>W. Brian Duncan</n>.

An abandoned <n>Victorian</n> greenhouse in France. Photo by <n>Nicola Berlotti</n>.