18th century anatomical amphitheater of the Royal College of Surgery of Barcelona.

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

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

The studio of Catalonia's most famous theatrical designer remains exactly as he left it.

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

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

Read a book with a glass of wine at this classically restored bar.

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

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

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.

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

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

Home to the ancient Roman temple of a lesser-known Celtic god that inspired J. R. R. Tolkien and H. P. Lovecraft.

Centuries later, the victims of Great Britain's greatest hysteria are finally being remembered.

This melancholy headstone is the only remaining evidence of a medieval church lost to the sea.

A 15th-century house single-handedly disassembled then reassembled bit by bit 100 miles away.

A legendary ghostly hound supposedly left dark marks on a place of worship.

These grandstands are among the oldest continuously used stands in the world.

This unusual 7th-century Frankish seal offers more questions than answers about its past.

The wreck of a B-29 Superfortress now stands as a memorial left in the moors.

When methane gas started seeping up from the ground, they picked up and moved the entire town.

Mysterious stone faces line a hidden path great for seeing wildflowers, bird watching, and rock climbing.