Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

A rare example of an octagonal Catholic church.

All that is left of this medieval castle is two towers, both of which now display a visible tilt.

Inside this medieval defense tower stands a modern residential building.

The chimney of a shuttered power station in the Po Delta is the second-tallest structure in Italy.

Two planes stand abandoned after the closure of an aircraft-themed restaurant.

This former drainage pumping station was fundamental to the drainage of the Po delta.

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

The 1,000-year-old abbey is the birthplace of modern musical notation.

A beloved local artist has been honored with this statue of a man emerging from a toilet.

A masterpiece of modern architecture that caused quite a stir in Paris, recreated in Bologna half a century later.

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

The San Marino-Rimini railroad was short-lived but this tunnel once provided shelter for hundreds of refugees during World War II.

High in the clouds of San Marino sits an ancient tower with some curious prisoner graffiti.

A historic cavernous cistern lies hidden behind a wall at San Marino’s stamp and coin museum.

Where members of the Crossbow Corps of San Marino demonstrate their skills.

A great white whale sculpture now sits in the location where the remains of a prehistoric cetacean were found.

The only Shinto shrine in Europe that has been officially sanctioned by Japan.

The collar worn by a fourth-century saint resides in this church, and is still used for blessings to this day.

Since the 1960s, this small village has invited painters to decorate its walls.

An intact, still operating pharmacy from the 18th-century filled with numerous artifacts and paintings.

This Renaissance square was at the center of Leonardo da Vinci's map, the first ichnographic ever.

Built as a defensive structure, this medieval walkway road offers a unique view of the village of Brisighella.

The oldest civic library in Italy can trace its foundation back to 1619.