An exceptional engineering feat that facilitates the migration of salmon upstream during their breeding season.

A mysterious monument where a woman who records say never existed was burnt alive for being a witch.

One of the youngest whisky distilleries in Scotland may also be the country’s oldest.

The castle that provided the setting for much of 'Monty Python and the Holy Grail' is now a pilgrimage site for fans.

Built to hold the worst of the worst of the Nazi war prisoners.

The site of the world's first modern seismometer.

These rustic holiday homes are made from discarded fishing boat hulls.

This small commune with an even smaller name appears to have an unlikely amount of dead ancestors.

Buried next to Pompeii, this lesser-known Roman villa was the opulent vacation home of Emperor Nero's wife.

This amazingly well-preserved villa just outside Pompeii boasts rare examples of ancient Roman paintings.

Ancient snack bar of the Roman Empire re-opened.

This tiny islet has somehow housed an ancient temple, two monasteries, a church, a fortress, and a restaurant.

The walls and streets of the ancient city are peppered with penises.

Erotic art covers the walls of the largest ancient pleasure palace.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

For centuries, this large Roman villa remained hidden thanks to the eruption that buried nearby Pompeii and Herculaneum.

A narrow opening between the mountains of the Amalfi Coast creates a scenic hidden beach.

Amalfi's pre-industrial history is slowly being engulfed by the lush vegetation of the Ferriere Valley.

A beautifully well-preserved ancient Roman villa.

This seaside Italian village doesn't just look Escher-esque, it actually inspired the mind-bending artist.

According to the legend, this structure was built in a single night with the help of the devil.

This ancient city was home to one of the greatest schools of Greek philosophy.

Also known as the Temple of Poseidon, this is one of the best-preserved Greek temples in the world.