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.

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.

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

This museum promotes informed contraception by documenting its often secret past.

Baroque celebration of the end of the Great Plague of Vienna.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

The final resting place for the remains of 143 Habsburg royalty.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

A random tree outside a Budapest hotel has become a DIY shrine to the late singer.

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.