A massive line that stretches across the floor of Bologna’s largest church was created by a 17th-century scientist to measure the movements of the Sun.

Once known for its horse-powered knife sharpening, this 200-year-old shop offers an array of blades and hard-to-find culinary tools.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

This building features dozens of faces along its facade, although one is a bit chilling.

Stuck in the arcade of Casa Isolani are three arrows of mysterious origins.

A small window on Via Piella offers a lovely and rare peek at Bologna's lost canals.

A beloved local artist has been honored with this statue of a man emerging from a toilet.

Time has been frozen at this station since the bombing in 1980—or so it was believed.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

Go inside to really appreciate this 500-year-old technological masterpiece.

Two stone columns flank the grand Venice square, but there were supposed to be three.

The pile of books behind the dignified writer gave the statue a most undignified nickname.

An iron dragon with a long neck covered in feathery scales perched above one of Venice's most popular squares.

A musical instrument played by the sea.

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

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

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

A wonderfully strange collection of 500+ stuffed frogs doing people things.

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

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

One of the very few mosques built by the Ottomans still standing in Croatia is now a Catholic church.

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

Bridge that died in war and was resurected.

A former bank seized as a sniper vantage point during the Bosnian War is now a secret graffiti art gallery.