Every inch of this chapel is covered in craftsmanship from across the world.

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

This former Baroque palace on the historic Calle Montcada is a rare architectural gem and was once the meeting place of an aristocratic scholarly society.

These tiny effigies are believed to represent victims of Edinburgh’s notorious Anatomy Murders.

Valletta’s outdoor theatre stands within the ruins of a 19th-century opera house.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

A musical instrument played by the sea.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

Picturesque basketball courts sheltered by historical defensive walls and with an enviable sea view.

A wunderkammer of gold and silver reliquaries and ancient saintly bones.

"Holy Wisdom" overlooks the city that became its namesake.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

A remote hilltop covered in giant monoliths haunts the Brittany countryside.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Beneath the city of Lourdes, France is a massive, concrete church.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

This massive fiberglass Gulliver turns every visitor into a Lilliputian.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

Giant topiary dog once played a role in a terrorist bomb plot.

The world's largest wooden structure.

This famous archeological mystery may be an ancient example of movable type.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.