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

Constructed during the 1960s, this bridge is still the highest in Italy.

A fairytale-like medieval church perched atop a rocky cliff on Italy's "Coast of the Gods."

A single column facing the sea is all that's left of one of the most important temples of Magna Graecia.

An eccentric home in Sicily turns heads on a regular basis.

This scenic fortress dates back at least 2,400 years to the time of Magna Graecia.

An abandoned building that once tightened a power line that stretched across Messina Strait.

The tallest statue in Italy is also one of the world's tallest statues of Jesus.

Just saying the name of this town out loud is said to bring bad luck.

This crystal clear water basin feeds the Lao river and powers a hydroelectric power plant.

An abandoned quarry hides an open-air gallery of huge sculptures, some made from the rubble of 9/11.

A fossil of a 30 million-year-old fish is unexpectedly hidden thousands of feet above sea level.

The oldest-known example of a historic architectural style recognized by UNESCO.

A unique urban square characterized by raw concrete structures and bold geometric forms.

It's believed that these columns marked the end of the Via Appia.

Though they look like Hobbit houses, these semi-underground stone structures were built for winemaking.

Geometry and mystery come together in an epic show of octagonal masonry.

Remains of a cargo ship that wrecked in 1988.

Formerly Yugoslavia's "forbidden island," this sleepy little city still holds the abandoned remains of military strongholds.

This work of art is considered the world's longest mosaic.

This precariously perched fortress was once ruled by a crow-worshipping baron.

A medieval Italian village is fighting depopulation with this vibrant annual street art festival.

The location of the last witch trials of Italy, known as "The Salem of Europe."

This ornate neo-Gothic mausoleum honors the man behind the Mercedes name—and the daughter who inspired it.