Commonly acknowledged as the only public monument to the Devil himself.

Cliffside houses provide a spectacular view from their perch above the valley.

Walls of stone rise up from sinkholes caused by underwater erosion.

Old batteries and frog skeletons reside in this lakeside monument to Alessandro Volta.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

Da Vinci's equestrian statue, 500 years in the making.

A lover's walk between hilltop towns, decorated with graffiti love notes.

The bomb-ravaged remains of of a colossal Neptune.

Some people believe that this makeshift space monitoring station received transmissions from clandestine cosmonauts.

Now an entertainment complex, the Lingotto building was once an avant-garde auto factory with a test track on the roof.

A fake medieval village in the middle of Turin.

Ham is serious business at the Prosciutto Museum-Serious, delicious business.

A rambling museum which honors the beauty in everyday objects.

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

The Pope’s secret escape route.

St. Francesca Romana, patron saint of drivers, resides in the church she founded.

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

One part local history, 99 parts gruesome haunted house.

A hands-off space for graffiti artists to hone and display their skills.

A surrealist timepiece by the artist of melting clocks.

France's national museum of scientific and industrial instruments.

Pay your respects to a folk-punk legend.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

Most famous work of one of Frank Lloyd Wright's sons.