An art deco ice cream shop covered in vintage train station tiles.

The world's longest known cave system.

A fake medieval village in the middle of Turin.

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

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 earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

Known as the "Valley of the Moon," this Jordanian wadi is one of the most amazing desertscapes on Earth.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

A more chill but no less fascinating version of the famous ancient archeological site.

Concentrated around the Dead Sea, these surprising canyons are filled with coursing water, fish, and even crabs.

This triumphal arch celebrating the Sun King's conquest of Lille is a masterpiece of military architecture.

A sublime medieval path adorns the marble floor of one of the most beautiful Gothic cathedrals in France.

The castle was reconstructed to fit Kaiser Wilhelm II's romanticized vision of the Middle Ages.

The opulent home that inspired Tintin's Marlinspike Hall and the adventures within.

A quaint medieval millhouse hovers surprisingly above the waters of the Seine.

Former hunting lodge of a duke who was an avid collector of impressionist works.

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.

This ancient theater was once the home of fierce gladiatorial battles.

A swath of France so devastated by war it is still forbidden to go there.

This stunning French estate was so lavish that it landed its original owner in jail for the rest of his life.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

Do these monsters look familiar? The gargoyles on this church are all from pop culture.

Museum on French naval history, with magnificent figureheads, a historic diving suit, and a boat used by Napoleon.

135 bronze medallions mark a French meridian line which once rivaled the hotshot Greenwich timeline.