A mammoth WWII anti-air defense tower has been repurposed as a hotel with a rooftop garden.

A small stone boy mischievously turns his backside toward the city’s most famous water carrier.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

A gravity-defying "devil's bridge" that has a surprising architectural feature for its stability.

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

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

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

This former Baroque palace on the historic Calle Montcada is a rare architectural gem and was once the meeting place of an aristocratic scholarly society.

A centuries-old bar once frequented by Picasso, Hemingway, and Dalí.

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.

Turntable anonymously received orphans, alms, and groceries.

Sink your spoon into a luscious crema Catalana at this former urban dairy farm.

A once-secret library of Freemason history in Catalonia.

This store decorated with Japanese and underground pop culture items has been the centre of Barcelona alternative fashion scenes for more than a decade.

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

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

An unusual stroll through gentlemen's erotica demonstrates that pornography is timeless.

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

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

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.

This colorful statue welcomes visitors to a Barcelona park.

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

A beautiful but toxic fountain of mercury.