Mountain where Jesus was first tempted by the Devil.

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

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

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.

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

A beautiful but toxic fountain of mercury.

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.

This modern, multimedia museum takes visitors on an evolutionary journey back in time.

A World War II evacuation tunnel turned into a history display of Croatian state and people.

This 135-year-old weather station studied the effects of the climate on human health.

This 15th-century church houses priceless works of art from a range of Croatian artists.

Inside this mansion turned museum, the works of prominent Croatian artists are on full display.

Just a few miles from Novalja, a strange geological oddity has left scientists baffled.

This heart-shaped island looks substantially less lovely after a recent bulldozing project.

The oldest arboretum on the Dalmatian coast doubles as the gardens of Kings Landing in "Game of Thrones."

Dive for drinks at Croatia's first and only underwater winery.

This beautiful Croatian fortress is haunted by legends of forbidden love.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

An ancient knight and a symbol of the city's freedom.

An eclectic art form practiced by untrained masters is celebrated at this museum in the heart of Zagreb's old Upper Town.

A self-proclaimed libertarian micro-state on a tiny bit of disputed territory between Serbia and Croatia.

A tower marking the spot where Yugoslavia began its resistance against the invading Nazis stands neglected, but not quite forgotten.