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

A perfectly preserved hill village where the buildings are painted like white lace.

The roof of this ancient mausoleum is made from a single Istrian stone weighing a massive 230 tons.

The only Roman honorific column in Istanbul.

This former quarry is now a picturesque gorge that hides a sunken lake.

This centuries-old Italian chapel hangs midway down a sheer cliffside.

A striking memorial recalls thousands of Bolognese men and women killed fighting fascists in World War II.

A massive line that stretches across the floor of Bologna’s largest church was created by a 17th-century scientist to measure the movements of the Sun.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

A large statue of Pope Gregory XIII in Bologna was disguised as Saint Petronius to avoid destruction.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

If you ever wanted to touch a medieval mercenary’s three testicles, look no further.

Hidden masterpieces in a small church in the medieval city of Bergamo.

This breathtaking monastery was established by Saint Benedict himself 1,500 years ago.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

This giant sculpture made of trash is a critique of society's wastefulness.

A hidden three-foot-wide house separates these two regal churches.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

Elaborate tile work in this railway station tells the story of Portugal.

Picturesque intersection of witchcraft and ancient Christianity.

An eccentric collection of antique items shares space with a prop-quality witchcraft museum.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

Three bridges and one giant canyon make up this fantastic Spanish settlement.