At first glance, this area seems like just another city park, but the lush landscape hides a dark past.

A statue commemorating a Polish dog who took his role as man's best friend very seriously.

Krakow's own version of the Hollywood Walk of Fame.

Extremely famous in his native country, this Cracovian painter is all but unknown beyond Polish borders.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

Remnants from a time before electricity.

A 12th-century Italian skirmish gets reenacted with 500,000 pounds of flying citrus.

This small Milan street is filled with colorful homes and a rich history.

This Italian pyramid is said to hold the mingled remains of the dead from both sides of the Battle of Novara.

A fairytale island floats in the middle of Italy's little-known Lake Orta.

Statues of a fire-breather, a clown, and a whole performing troupe celebrate Luxembourg's creative side.

This magenta statue commemorates the legendary marriage between a mermaid and the city's founder.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

The entire known universe of the ancient Etruscans is held inside this bronze model of a sheep’s liver.

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

The smaller of the three towers of San Marino is a former prison inaccessible from the ground level.

Only the facade of this house was built so a father could fool his son.

Breathtaking and huge 430 year old maps of Italy.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Twisted girders are all that remain of an Icelandic bridge that was wiped out by a combination of volcanic heat and glacial floods.

Three columns of volcanic rock shoot out of the ocean.

Internet rumors, often involving Icelandic singer Björk, have abounded regarding this isolated outcrop of rock.

Icelandic folklore says this giant boulder was ripped from the mountains and placed at its current location, where it became home to elves.

Along this wire fence, travelers have been leaving a particular memento since 2012.