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

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

A temple to modernity, tucked away amid Barcelona's more well known museums.

Turntable anonymously received orphans, alms, and groceries.

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

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.

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

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

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

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

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

This cemetery features modernist statues as strange as its name.

A beautiful but toxic fountain of mercury.

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

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.

Take a hike to this unique rock formation formed by lava flows.

These 13th century documents come housed in 18th century shelves organized by a 19th century historian.

Everything from miniature biblical scenes to life-sized statues are almond-based at this sweet and nutty gallery.

The home of a deceased Hungarian artist is now on display for visitors.

This castle played host to the largest great hall found in medieval Central Europe.

A beautiful display of nearly 50 bells crafted with a unique design and distinct sound.

One of Hungary's most influential places of learning is also home to one of the world's most beautiful libraries.