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

A 250-year-old timepiece-automaton adorned with golden mechanical birds, which still sing to this day.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

Elaborate tile work in this railway station tells the story of Portugal.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

Where Venice's gondolas go for a tune-up.

The only museum with its curator—and her pets—buried inside.

Go inside to really appreciate this 500-year-old technological masterpiece.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

A petite white lighthouse perched on the ancient core of Stromboli Volcano.

A volcanic old faithful, Stromboli has been erupting continuously for the last 2000 years.

A dismembered holy head stares out from her beautiful reliquary at the St. Dominic Basilica.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

Gods clash with machines in a power plant regenerated as a museum.

The Pope’s secret escape route.

The yawning maw of this pagan visage is said to bite off the hands of liars.

The underground sanctuary of a mysterious ancient cult.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

Fortified medieval tower house with lovely roof garden.

Massive galleon from a box-office bomb docked in Genoa.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Where commuters walk through remnants of an ancient Greek necropolis.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.