Depending on how it is measured, this lighthouse can claim to be the tallest in Europe and the tallest conventional lighthouse in the world.

This historic line is a remnant of an ambitious and unconventional project that today provides panoramic views of the Ligurian mountains.

Although called a funicular by both its owner and the locals this historic railroad is actually a rack and pinion system.

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

Once home to one of the oldest banks in the world, this building is also where Marco Polo's famous travelogue was written.

The "Mona Lisa" of funerary art.

This peculiar Italian elevator runs both horizontally and vertically.

This cathedral hides a sculpted dog that determines your fate and an unexploded shell from World War II.

A towering sculpture, likened to an adult toy, sparked local and national debate.

This striking structure, with balconies jutting out like hedgehog spines, combine cutting-edge design with a playful approach to light and space.

The world's first combination ski slope and power plant.

This bridge's unique architecture honors nautical heritage and encourages self-awareness.

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

A full figure 4th century incorruptible saint lies in a glass coffin in Croatia.

Gargoyle head that brings good luck.

This Parisian gem is one of the most incredible ethnographic museums in the world.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

An immersive projection art installation uses sound, scale, and light to take visitors inside classic works of art.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

A surrealist timepiece by the artist of melting clocks.

Paris' linguistic guide to the international language of, yes, love.

The vast, legendary catacombs hold secrets much stranger than stacked bones.