The much-loved protagonist of famed Argentinian comics can be found sitting on a park bench.

This Bronze Age man spent millennia buried in a mine, giving his bones an eerie hue.

Two large posteriors in one giant statue.

It's believed these prehistoric individuals were the victims of cannibalism.

This beautiful spit of land was once the summer playground of the king of Spain.

Two towns are linked by an engineering marvel masquerading as a boring suspension bridge.

Giant topiary dog once played a role in a terrorist bomb plot.

Rub it for a bit of good luck.

A 100-plus-year-old mill transformed into a hotel and restaurant.

Over time, this castle grew to encompass the entire island.

A magnificent winding road through a steep valley, with deep natural caverns at the bottom

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

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

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

Saint Joseph was said to heal the deaf and blind, but it was a much smaller miracle that got him canonized.

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

A once-secret library of Freemason history in Catalonia.

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

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

Cat art as far as the eye can see.

This unattributed sculpture in Amsterdam is hiding in plain sight.

This plaque marks the former home of one of the first women physicians in the Netherlands.

A set of seven houses, each built in a style that represents a European country.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.