These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

Bridge that died in war and was resurected.

A wunderkammer of gold and silver reliquaries and ancient saintly bones.

An ancient knight and a symbol of the city's freedom.

Gargoyle head that brings good luck.

A full figure 4th century incorruptible saint lies in a glass coffin in Croatia.

At more than 5,000 years old, these structures are among the oldest free-standing stone buildings in the world.

This unique building in the main square stands out among the city's typically Baroque architecture.

The remains of a 1st-century aristocratic Roman town house featuring beautiful well-preserved mosaics.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

This spectacular dome managed to survive after being bombed in World War II, in an event known as the "Miracle of Mosta."

This subterranean necropolis holds three floors of antler-dug grave caves.

The floor of this spectacular Baroque sanctuary is covered in memento mori.

A centuries-old forgotten underworld lies beneath Malta.

This church is named for one of the most dramatic tales in the early Christian church.

The ruined doorway is a portal to the building's turbulent and torturous past.

An ancient octagonal weather station named for the eight Greek gods of wind.

Underneath one of the region's most historic roads lies the home of Plato's successor.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

The only surviving choragic monument is a trophy awarded in 334 BC for the winning dramatic chorus.

A Byzantine church containing the holy remnants of three saints sits atop the site of an ancient temple.

This building displays the scars of the “Dekemvriana,” a dark time in modern Greek history.

This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

Taking the subway here means doing so over a bridge located in the middle of an estuary.