The best place in the world to buy tinned fish.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

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

Where commuters walk through remnants of an ancient Greek necropolis.

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

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

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

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

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

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

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.

According to legend, this ancient column contains healing properties.

The ruins of an ancient fortification wall sit in front of and underneath this boutique hotel.

When construction began on this hotel, developers were surprised to find the ruins of an ancient civilization.

A colorful piece of contemporary art cheerfully clashes with Lyon's historical architecture.

Hundreds of hidden passageways weave through the old quarters of Lyon.

For hundreds of years, automatons moving to metallic music have been marking the passage of time.

The first modern cemetery of Lyon is complete with more than 200 chapels and monuments.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

A showcase of geologic history is home to one of the largest collection of lunar meteorites on Earth.

A century after his death, this covered bridge still calls to mind the plein air painter who loved it.

An iconic 1960s theater with a Buckminster Fuller-style geodesic dome.