From Carthage's Hannibal to riders of the Tour de France, many have crossed this scenic route through the Alps.

A lover's walk between hilltop towns, decorated with graffiti love notes.

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

The world's most active stratovolcano is almost always erupting.

A monumental private palace behind an unassuming facade, with astonishing interiors including a rococo ballroom.

A mysterious ancient elephant said to possess magic powers is now the symbol of a Sicilian city.

This French chateau is home to the world’s largest private collection of fighter jets.

This statue of a Hindu cosmic dancer at CERN is a metaphor for modern physics.

Home of the Large Hadron Collider and the birthplace of the World Wide Web.

CERN's beautiful, bending sculpture is a tribute to the spread of knowledge.

An opulent monument built for a duke who donated his entire fortune to the city of Geneva.

The world's largest second-hand graces a clock surrounded by constantly changing flower beds. 

A perfectly preserved example of a fortified Medieval ricetto.

The "stairway to heaven" lookout tower was built to resist weather, arson, and the laws of physics.

This collection of lurid religious statues tell the tales of a saint who stood down the devil.

A whimsical bridge uses saxophones to pay tribute to two great men and the European Union.

This work of art, which took 35 years to complete, has a motorway running through it.

Lyon's miniature version of the Eiffel Tower was built as a statement in support of French secularism.

A colorful piece of contemporary art cheerfully clashes with Lyon's historical architecture.

This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.

These quaint French houses dangle precariously over a precipice.

Since ancient times these picturesque springs have been providing bathers with healing waters.

This medieval oratory decorated in magnificent frescos was constructed after Charlemagne received a vision.

An elegant church is home to a remarkably detailed mosaic floor depicting the Garden of Eden.