This unique building in the main square stands out among the city's typically Baroque architecture.

The floor of this spectacular Baroque sanctuary is covered in memento mori.

Stone Age solar temple is aligned with the sun on each equinox and solstice.

The Adriatic's most famous wind can be reliably experienced in the city's Marina.

Old batteries and frog skeletons reside in this lakeside monument to Alessandro Volta.

Fortified medieval tower house with lovely roof garden.

A dismembered holy head stares out from her beautiful reliquary at the St. Dominic Basilica.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

One of the largest caves in the world open to the public.

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

A collection of objects supposedly singed by the hands of souls in purgatory.

The middle finger of modernity.

The yawning maw of this pagan visage is said to bite off the hands of liars.

An ancient neolithic tomb that only sees the sun twice a year.

The ancient tomb acts as a calendar that keeps perfect time.

The Greek War of Independence was declared at this medieval Byzantine sanctuary.

The historic building has preserved human organs, unusual hexagrams, and scars from a political assassination.

This secret coastal village is studded with pastel-colored houses all piled on top of one another.

An ancient octagonal weather station named for the eight Greek gods of wind.

This legendary city has been a tourist attraction for centuries.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

The hallucinogenic center of the ancient world.

Monasteries on rock pillars, once accessible only by frayed ropes.

A Faraday Cage protects cars from a nearby high-power transmitter.