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

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

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

A UFO-shaped event building originally intended to be a science museum showcasing the future.

These giant yellow bowling pins seem to be defying gravity.

Inspired by "The Starry Night" this Dutch bike path turns into a glowing work of art each night.

A bike traffic circle showcasing the works of local graffiti artists.

Unscathed for almost 2,000 years, the best preserved Roman triumphal arch is in a small southern Italian city.

Geometry and mystery come together in an epic show of octagonal masonry.

A massive line that stretches across the floor of Bologna’s largest church was created by a 17th-century scientist to measure the movements of the Sun.

People have been living in the cave houses on this Italian hillside since the Neolithic era.

An abandoned quarry hides an open-air gallery of huge sculptures, some made from the rubble of 9/11.

The former Nazi Germany concentration camp stands as a museum to remember this dark chapter in European history.

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

A unique combination of a lighthouse and a poignant memorial to the fallen of the two world wars.

South of Bologna, a limestone grotto with a protruding waterfall and a floor full of cave pearls.

The world's most active stratovolcano is almost always erupting.

A mysterious ancient elephant said to possess magic powers is now the symbol of a Sicilian city.

This black church sits alone among a field of lava rock.

This elegant arc of a waterfall marks a religious turning point.

In Northeastern Iceland lies something of an oxymoron: a steaming desert.

A sulfuric martian landscape that looks far better than it smells.

The most powerful waterfall in all of Europe.

This canyon is comprised of gorgeous waters and magnificent basalt columns.