A Romanesque tower appears when water levels drop.

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

A science fiction-inspired apartment building designed by a famous Spanish architect.

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

Mountain where Jesus was first tempted by the Devil.

A once grand hotel now sits eerily abandoned in the Catalan countryside outside Barcelona.

Occupied for six centuries by Franciscan Order nuns, this monastery is an amazing ode to Catalán Gothic architecture.

This stunning iron gate designed by Modernist architect Antoni Gaudí is filled with mythic symbolism.

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.

A former steam-powered mill from the 1800s is now an industrial park with a giant steel dragon slide.

A cemetery in Barcelona's Poblenou district is home to this touching funerary statue, which depicts death in the form of a winged skeleton.

A beautiful but toxic fountain of mercury.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

This colorful statue welcomes visitors to a Barcelona park.

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

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

An open-air "garden" of mural art that changes weekly.

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

Week-long block party becomes a competition for the best decorated street.

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

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

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

This cafe offers a curated collection of treats and tipples made by monks and nuns.