This modern museum of Mediterranean culture is surrounded by a surreal concrete honeycomb.

Sky ships, planes, and portraits left as unique tokens of hope and thankfulness.

This half-finished "city of toys" was almost Italy's own Las Vegas.

An Italian geologic wonder that served as the inspiration for the landscape of Dante's hell.

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

When a massive landslide hit one of the world's tallest dams it created a tragic environmental disaster.

This abandoned Slovenian military barracks has become a punky-political art squat.

Also known as Uncle Karl, the beloved bronze copper keeps a watchful eye on St. Stephen’s Basilica while people rub his lucky belly.

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

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

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

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

A whimsical bridge adorned with decorative dragons.

Colorful power station with a chimney equipped with a gallery for exhaust monitoring equipment.

An artistic melting pot inside an old roadside inn from the Ottoman era.

This once-derelict building is now one of the most beautiful bookstores in the world.

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

The mark of the Devil's horns on a marble column in Milan.

The train platform where Jews were sent to concentration camps is now preserved as a Holocaust memorial.

Small on the outside, big on the inside, this church is an astonishing act of visual deception.

This Renaissance palace features a unique architectural design and is now home to the Ferrara National Art Gallery.

The townhouse where the "Blood Countess" Elizabeth Báthory started her murderous career.

Legends surround an ancient tree trunk riddled with nails for good luck.

A silly medieval mural preserved on the side of a Viennese house.