Italian director Pier Paolo Pasolini fell in love with this lonely 13th-century tower while making his most famous film.

A stunning fountain depicting a mythological she-goat carved directly into the rocks on the grounds of a Renaissance palace.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

This stretch of the ancient Roman road is preserved in a valley that witnessed many battles and legendary highwaymen.

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

A medieval house with mysterious alchemical inscriptions on its facade

This cliff-face port is considered a masterpiece of mining engineering.

One of the most extensive and well-preserved collections of dinosaur footprints in North America.

The ruins of an early-18th-century complex that could once house up to 12,000 horses.

The designated Jewish quarter in Fez dates back to the 15th century.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

A subterranean house of worship carved right out of the bedrock.

A rather vulgar example of the transition from Latin to the Italian vernacular.

This park on the outskirts of Rome boasts two ancient Roman aqueducts and a medieval tower.

This is the oldest Roman-made bridge in the city still existing in its original state.

The only remaining arch of the oldest stone bridge in Rome stands in the middle of the Tiber.

In the early Roman Empire, people deemed traitors and criminals were tossed to their deaths from this rock.

A gorgeous, Gaudí-esque stairway constructed in the city of Istanbul by a prominent Jewish family.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

This ancient market is often referred to as the oldest shopping mall in the world.

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

Italy's only urban waterfall has enchanted artists and travelers for centuries.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

A town saturated in Italian rationalist architecture was once marshland drained by Mussolini.