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

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.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

A musical instrument played by the sea.

The local club's soccer field is practically surrounded by UNESCO-protected monuments.

The interior of this church has been turned into a memorial to locals who died in Croatia's Homeland War.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

A beautifully rebuilt windmill from the 17th century, situated along the Amstel River.

This bird-loving brewery is situated in an old municipal bathhouse, nestled beside a 300-year-old windmill.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

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.

In the fictional world of Kcymaerxthaere, celestial wonders marked a portal to a powerful route of travel at this site in Madrid, Spain.

A building so large that it has its own weather.

A statue commemorating a beloved stray dog who was adopted by the entire neighborhood where he lived.

One of Madrid's oldest trees, with a long and colorful history, resides in El Retiro Park.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

Commonly acknowledged as the only public monument to the Devil himself.

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

A must for film lovers in Madrid and home to the Spanish Film Library's projection space.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.