What appears to be an ancient Roman temple is actually a Catholic church.

An unmistakable facial pareidolia in the Julian Alps also includes a fantastic tale.

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

A musical instrument played by the sea.

A star-shaped fortress town fort built in the geometric model of the Renaissance utopian city.

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

Longest fortress system anywhere in Europe.

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

Gargoyle head that brings good luck.

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

Artistic tombs, monuments, and a beautiful "Hall of Fame" lurk inside this cemetery.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

A pair of connected skyscrapers form this symbolic gateway.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

The only museum with its curator—and her pets—buried inside.

Memorials at a Florence railway station remember the citizens who were deported from Italy and sent to extermination camps.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

The celebrated eyesore created by starry-eyed sweethearts.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

Hamburgers are intensely proud of their tunnel beneath the river.