Built as a defensive structure, this medieval walkway road offers a unique view of the village of Brisighella.

The enchanting home of an eccentric Swedish physicist and author sits in the hills of Anacapri.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

This cathedral's stained-glass patchwork of psychedelic colors and shapes was put in place long before the swinging 60s.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

The Swedish flag over this small naval fort signals that the nation is at peace.

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

Home to three historic ships from the age of Vikings.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

The hallucinogenic center of the ancient world.

The world's most famous cheese caves.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

Hundreds of boat-shaped headstones fill this graveyard as part of a centuries-old custom with mysterious origins.

Take a hike to this unique rock formation formed by lava flows.

Inside the Šomoška National Nature Reserve exists a unique rock formation rarely seen in the world.

Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

A hugely vast Irish landscape of barren rock that stretches for miles.

Ruins battered by centuries of war and disaster offer a wondrous glimpse of medieval Ireland.

The chaotic studio of one of the 20th century's most important artists has been preserved down to the dust.

A stunning Victorian abbey and walled garden on a lakefront.

The ruins of an 800-year-old monastery boasts the tallest round tower in Ireland.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

This public elevator links the lower city to the upper city of Salvador.