A Byzantine-era church hidden in a wooded area below the Acropolis.

A grotesque collection of wax limbs depicting the symptoms of venereal disease.

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

A sprawling collection of books and manuscripts about ancient Greece that would have put their famed libraries to shame.

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

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

The oldest cemetery of modern-day Athens blends the modern and ancient worlds.

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

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

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

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

Large collection from the 3rd millennium BCE.

A sharp sculpture made of thousands of pieces of jagged glass.

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

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.

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

Underwater art project will double as a massive artificial coral reef to help regenerate the damaged ecosystem.

One of Mexico's youngest major cities still holds on to this structure representing its short modern history.

A small collection of iguana-infested ruins hides amid Cancún's bustling hotel zone.

This artist's home turned gallery/museum preserves the creator's love of "Eastern" influences.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.

A toy store with a century-long history preserves the craftsmanship of playthings of the past.