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

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 medieval castle was reconstructed by Carlo Scarpa.

One of the tallest bell towers in Italy plays a particular melody at just two times each day.

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

The incorrupt tongue of the patron saint of lost things is venerated in this basilica.

The world's oldest surviving anatomical theater, where "the dead are pleased to help the living."

Something's missing between the arcades of the Palazzo della Ragione in "the city of the three withouts."

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

Not far from the more famous House of Juliet, visitors will find the supposed residence of her lover.

These elaborate gothic monuments honor Verona's medieval lords.

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

Pilgrimage site for star-crossed lovers.

A sublime medieval path adorns the marble floor of one of the most beautiful Gothic cathedrals in France.

Lyon's "Wall of the Silk Weavers" is one of the largest murals in Europe.

Have tea in a cemetery with a dazzling view of Istanbul.

A tiny park in the middle of some big power politics.

This historic hotel preserves many treasures from its heyday hosting passengers on the Orient Express.

This former Imperial summer home was the venue for a royal slap that once echoed 'round the world.

No one is sure if the world's fourth-largest diamond had been found in a rubbish heap or was pawned by Napoleon's mom.

This column celebrates Rome's victory over the Goths, and may be the oldest Roman monument in Istanbul.

This half-forgotten fortress was constructed by the Ottoman conqueror of Constantinople.

Ancient serpentine sacrifice holder that has stood the test of time.