This pink watchtower served as the seat of the Greek government after independence from the Turks.

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

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

This gem is often wrongly overshadowed by the larger, newer Metropolis church in Athens.

Legend says this sacred tree was a gift from goddess Athena.

A man's head is enshrined beneath a statue near the first building constructed for the modern Olympic Games.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

Gladiators once walked this ancient, subterranean passage.

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

This historic structure has been used as a mosque, a barracks, a prison, a school, and a bakery.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Legend says it was constructed with the destroyed pillar of an ancient Greek Temple.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

An important example of architectural history slowly decays in the city center.

A crushed gate and giant bronze head serve as a reminder of Greece's fight for freedom.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

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

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

Dedicated to one of the horses that helped cultivate the region.

This restaurant's specialty is "a major enigma for food historians."

Only a few pieces remain of the structure that carried people and goods across the Thames for some 600 years.

At the top of the hour, figures of the London department store's two co-founders emerge and bow to each other.

Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

The spherical grains of white quartz sand give every step on this Australian beach a distinctive sound.