This historic structure has been used as a mosque, a barracks, a prison, a school, and a bakery.

Legend says this sacred tree was a gift from goddess Athena.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

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

Holy Grotto of Montserrat Monastery holds one of Europe's mysterious black Madonnas.

Mountain where Jesus was first tempted by the Devil.

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

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

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

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

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

Barcelona's only remaining tram system takes riders to the Tibidabo funicular.

An early 20th-century bullring converted into a modern shopping center.

This colorful statue welcomes visitors to a Barcelona park.

This cemetery features modernist statues as strange as its name.

Catalonia Tradition: Beating the hollow Christmas log until it defecates in your fireplace.

The oldest giants in Catalonia are now displayed in a 14th-century Gothic church.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

This fountain was designed to honor the man who helped bring water to Barcelona.

Barça football fans might see the insignia hidden in a church window as a divine sign.

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

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

The 20th-century chapel’s intricate woodwork includes amazing details, most notably angels playing bagpipes.