The tallest structure in Italy is a remote radio transmitter in Sicily.

Depending on how it is measured, this lighthouse can claim to be the tallest in Europe and the tallest conventional lighthouse in the world.

This Gothic revival structure has been a family home, a military base, a gymnastics center, and is now owned by one of the largest auction houses in Italy.

Nearly 800 years old, this river lock is now a public park with a former fortified island.

An annual goat race takes place within the walls of this medieval castle.

Inside the small garden of two mid-century apartment buildings stands a centuries-old bell tower, separated from its original church and hidden from view.

In a tower at this centuries-old castle, members of a noble family were imprisoned and left to starve.

Photographs of the faces of the town's dead cover the walls of this small Italian church.

This historic line is a remnant of an ambitious and unconventional project that today provides panoramic views of the Ligurian mountains.

The ghostly remains of a gunpowder mill lost in 70 hectares of thick woods.

This abandoned semaphore station hearkens back to the days of the optical telegraph.

The largest civilian satellite control center in the world is located in the middle of a drained lake.

Hike along an abandoned railway up to a popular pilgrimage site.

An architectural oddity where the triglyphs of the courtyard of walls create an optical illusion.

This unassuming bridge is most likely one of Michelangelo's unfinished masterworks.

This abandoned IDGZ station was one of 49 troposcatter stations in the NATO ACE High network.

Once one of the largest sites of silver deposits in Italy.

Over 100 artworks are painted on the walls of this town, making it an open-air museum of contemporary art.

Jesus turns into vines inside this chapel.

In Majella National Park, these stone dwellings harken back to the region's pastoral history.

One of the best-preserved modern fortresses was part of a pivotal moment in the Italian Risorgimento.

A medieval tower with a suspended iron cage used as an open-air jail for criminals who were exposed as a warning.

A medieval castle was used for centuries as a hemp farm.

A blend of nature and art awaits visitors to this park.