An early 20th-century bullring converted into a modern shopping center.

Cliffside houses provide a spectacular view from their perch above the valley.

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.

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.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

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

This short bridge is the only thing connecting a tiny Irish island to the mainland.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Northern Ireland's Brobdingnagian stepping stones.

This Dutch statue is a monument to the fictional shrew who brought doom to the city of Stavoren.

Rich with fauna and flora, nature-lovers can walk across the sea at this UNESCO World Heritage spot.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

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

When a supermarket opened up shop within a medieval building it became protected by UNESCO on a technicality.

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

What was once believed to be a church floor turned out to be the artwork of geology.

A black sand beach where glacial fragments wash ashore and look like sparkling diamonds.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

This elegant arc of a waterfall marks a religious turning point.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.