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

One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

This narrow fjord-like bay is the largest ria in the Mediterranean Sea.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

Cages that once displayed the bodies of executed leaders hang from a German church tower.

Carved fountains poignantly placed in parks and in front of special monuments.

This unique exhibit "Dialogue in the Dark" reverses roles as the visionless become guides and the sighted become ‘blind.’

Commemorating Frankfurt's Jewish community and 11,908 victims of the Holocaust.

The world’s largest collection of cork models of ancient Roman buildings, made by a court baker and his son.

Hamburgers are intensely proud of their tunnel beneath the river.

A mammoth WWII anti-air defense tower has been repurposed as a hotel with a rooftop garden.

Mountain where Jesus was first tempted by the Devil.

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

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

This deconsecrated church has seen many uses, from a tobacco storehouse to a cinema.

One of the world's oldest working clocks is curiously missing the Zodiac sign of Libra.

The tomb of the mythological founder of Padua is not hidden in some obscure crypt, but stands right in the middle of the city square.

One of the largest squares in Europe contains an entire artificial island.

Pilgrimage site for star-crossed lovers.

A whale rib was used to advertise the store by the arch that offered exotic goods from far away.

These elaborate gothic monuments honor Verona's medieval lords.

One of the most well-preserved castles in Italy also contains a rare medieval example of a port fortification.

On the shores of Lake Garda, the ruins of a Roman villa that allegedly belonged to the poet Catullus.

This Nazi-built amphitheater was constructed on a sacred mountain site used by various German cults.