The first botanical garden, a feather in the cap of the Grand Duke of Tuscany.

A modern sliver of architecture in Roma.

More sculpture than building, this architecturally significant temple was built on the spot of Saint Peter's crucifixion.

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

100 year tradition of fist fights, marked by marble footsteps.

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

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

Walk through a fairytale in Tuscany.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

Go inside to really appreciate this 500-year-old technological masterpiece.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

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

Rome's semi-secret peephole vista is also a former Crusader stronghold.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

Architectureal fantasy quarter of Rome.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

What once sat in the world’s spotlight is today a largely disused ghost complex.

Where commuters walk through remnants of an ancient Greek necropolis.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

Be(w)ar(e) the moat around this historic Czech castle.

Monument to a suicide protesting the Soviet invasion.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.