A naturally beautiful, seemingly bottomless deep blue spring.

The history of Greece is illustrated through banknotes.

The Greek island's old British cemetery feels like a forgotten garden.

This Greek Orthodox church houses the mummified body of St. Spyridon.

Remnants of an architect's residence that displays his embrace of organic architecture.

The colonial home of Paul Revere during the American Revolution.

A closer look at this somewhat faded hotel by the Corinth Canal reveals the architectural undertones of a genius.

This small 16th-century church in Athens is almost entirely surrounded by a modern building.

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

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

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

This ancient hydrological marvel is now the base of a modern outdoor cinema.

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

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

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

This small museum once served as a royal hunting pavilion for King Otto Friedrich Ludwig.

This striking sculpture of Icarus honors Greece's fallen flyers.

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

Where commuters walk through remnants of an ancient Greek necropolis.

A tiny Greek Orthodox church from the Ottoman era hides on a busy city street.

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

Savor sheep milk yogurt at the last of Athens' dairy bars.

This abandoned shopping arcade has new life as an art installation.

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