The Guardian of Tallinn.

Europe's official "zero-level," the equator of elevation.

Macabre astrological automaton clock dating to the late 1400s.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

Breathtaking and huge 430 year old maps of Italy.

Egyptian treasure trove of fossils documenting the whale's transition from land mammal to sea creature.

The marble facade hides a little-known medical museum with early surgical instruments and rare copies of canonical texts.

This artistic temple brings together multiple architecture styles, but is only an example of one.

The home of a neoclassical master is now a shrine to his chosen art style.

Destroyed numerous times, this centuries-old bridge has always been rebuilt with its original design.

Five candy-colored villages on the Italian Riviera.

This amazing medieval fortress stands atop a promontory along the famous Cinque Terre.

A stunning medieval castle houses this eclectic, interactive tribute to all things wine.

This brightly-colored chapel is a contemporary jewel standing in the middle of a La Morra vineyard.

Now an entertainment complex, the Lingotto building was once an avant-garde auto factory with a test track on the roof.

One of the oldest and most significant collections of Ancient Egyptian archeology outside of Egypt.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

Third time's a charm, or in this case, two testicles are.

This curious building hides eclectic details like medieval gargoyles alongside naked angels and Art Nouveau mosaics.

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

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

Pilgrimage site for star-crossed lovers.

These elaborate gothic monuments honor Verona's medieval lords.

Before there were doorbells this bronze ear was installed for visitors to announce their arrival.