A solemn reminder of the infamous World War II war crime that massacred almost all the men in a small Greek town.

Suffocating dogs was a common spectacle in the fumes of this noxious cave.

Eastern zen meets Western grit in these four little trees growing out of a rock on Lake Tahoe’s Nevada shore.

One woman's Viking Castle on Lake Tahoe.

A breathtaking 19th-century trail overlooks Lake Tahoe.

This historic estate on the east shore of Lake Tahoe was home to an eccentric millionaire (and his pet elephant, Mingo).

Pompeii's less famous neighbor is still revealing her secrets.

For decades, vendors have sold clothes once worn by American soldiers who stormed Italy in the 1940s.

Before the more famous Royal Palace of Caserta, the king of Naples first commissioned this overlooked residence.

The oldest volcanology research center in the world.

The old church, buried by the 1784 Mount Vesuvius eruption, is a remarkably well-preserved place where people now pray for the souls of the dead.

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

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

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

This clifftop arch is a natural stunner.

The Emperor Tiberius' palace of debauchery.

A crumbling watchtower and a lighthouse overlooks the site believed to be the Sirens' cliff in the "Odyssey."

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

During World War II, the Shroud of Turin was secreted to this remote southern Italian complex.

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

A beautifully well-preserved ancient Roman villa.

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

Beautiful views and Roman-style statues on the Italian coast.

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