When this monument to Slovenia's national poet was erected, it's said to have sparked the ire of nearby church authorities.

Strange rumors surround the artist who created these solemn metal guard dogs.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

A public work of art that also provides some relief from the summer heat.

In between two buildings in Ljubljana, medieval tunnel to nowhere.

A whimsical bridge adorned with decorative dragons.

Copenhagen's "other" little mermaid marks the historic location of past sea maid sightings.

A memorial to the atrocities of the People's Socialist Republic of Albania.

One of the best examples of a Byzantine period monument in Albania.

The largest Roman amphitheater in the Balkans once held over 20,000 people, but managed to lay hidden for hundreds of years.

What happens when you cross a mayor and a painter?

Once the fallout shelter of a dictator, this sprawling bunker is now a combined history museum and contemporary art gallery.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

In the heart of Tirana, this underground nuclear bunker has been transformed into a museum.

A museum dedicated to secret surveillance.

A monument to one of the greatest matadors of all time.

The ruins of a fifth-century church dedicated to Our Lady of the Harbor.

Picturesque basketball courts sheltered by historical defensive walls and with an enviable sea view.

These two 15th-century metal rods allowed people to check if they were swindled or not.

Legend holds that St. Paul was flogged for preaching Christianity at this pillar.

Beneath an ancient wishing tree lies an underground chapel with 12th-century frescoes and catacombs dedicated to a lady saint.

The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

While most shipwrecks are submerged, this ship in Cyprus ran ashore.