This 135-year-old weather station studied the effects of the climate on human health.

A well-worshipped shrine to the Virgin Mary nestled inside the last of Zagreb’s historic gates.

A World War II evacuation tunnel turned into a history display of Croatian state and people.

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.

Large, airy hallways hide within an impenetrable fortress that beckons urban explorers.

This unique structure allowed boats to bypass underwater mine barriers in the channel to enter the harbor.

This fountain has a growing (animal) population, and might also be growing in size.

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

This pedestrian bridge in Croatia is a sleek, ship-inspired design with a fun net and social spaces.

This ancient Roman aqueduct once funneled water to Diocletian's palace.

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.

This 15th-century church houses priceless works of art from a range of Croatian artists.

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

Gargoyle head that brings good luck.

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

An ancient knight and a symbol of the city's freedom.

This building's name and a plaque are all that's left of what was probably the most important nightclub of the Madchester music scene.

When the city of Manchester built a new centralized heating network, they did it with style.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

A fantastic Christmas tradition where defecation meets the manger.

An open-air "garden" of mural art that changes weekly.