Hidden deep within a Filipino jungle is an incredible waterfall that plunges into a dazzling blue-green pool.

A magically clear, blue river that seems to spring from nowhere.

An ancient Egyptian obelisk is now used to commemorate fallen Italian soldiers.

The Italian revolutionary's legendary wife is portrayed on horseback waving a gun and holding her child in this memorial on the Janiculum.

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

This one-of-a-kind Roman arch is not actually dedicated to the god Janus.

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

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

An 18th century fountain and two columns are all that remains of Rome's forgotten river harbor.

Romans decided this 16th-century "talking statue" was so ugly, they named it after a primate.

This ancient Roman arch misled treasure hunters for centuries.

Also known as the Square Colosseum, this building is a prime example of fascist-era rationalist architecture.

One of Catholicism's four major basilicas has a series of papal portraits that are said to predict the end of the world.

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

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

Ancient ruins hidden underneath a modern luxury hotel.

A huge enchanting public park just outside the ancient walls of Rome.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

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

The martyr's wax-enhanced skeletal remains lie preserved in a glass case in the Santa Maria della Vittoria in Rome.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

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