A wunderkammer hidden on the top floor of the Hartford statehouse.

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

Northern Europe’s largest castle ruins sit precariously on an island cliffside.

The largest of Denmark's seven mysterious round churches stands on an island in the Baltic Sea.

Copenhagen's celebrated theme park and gardens.

This small roadside eatery exists in both the Northern and Southern hemispheres, as the equator runs right through it.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

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

This curious, round temple is the oldest still-standing marble building in Rome.

This small, ancient Roman temple was once a church dedicated to the patron saint of penitents.

Five candy-colored villages on the Italian Riviera.

Medieval torture techniques with a modern conscience.

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

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

This deconsecrated church has seen many uses, from a tobacco storehouse to a cinema.

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

Art and armour fill every inch of this rich kid's Italian villa.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

A plaque on the base of this statue holds a bewitching design.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

In Florence's great Duomo, a 26 foot fresco honors a mercenary famous for attacking Florence.

Some say this medieval church is where the poet Dante married his wife and also met the love of his life.

A medieval weapon rumored to have been used by the brilliant poet himself.