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

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

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

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

Where commuters walk through remnants of an ancient Greek necropolis.

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

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

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.

Legend says this is actually a heartbroken prince waiting for his true love's kiss.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

The giant statue and its model solar system honor the native Pole who declared that the Earth revolves around the Sun.

A black cat protests the City Guild in Riga's Old Town.

A subtle memorial marks where a human chain protested Soviet control in 1989.

A map store filled with original Cold War era Russian maps of the world.

A monument to the grand synagogue that stood in this space before Nazis burned it down.

A Latvian rescuer who saved countless lives during World War II.

With a design inspired by traditional Latvian textiles, this monument honors the Latvian people who suffered under Soviet occupation.

A former Latvian headquarters of the brutal KGB secret police is now open as a grim reminder of their atrocities.

Latvia’s first skyscraper, nicknamed ‘Stalin’s birthday cake.’

3,000 market stands in five former Zeppelin hangars.

A statue built to honor the elite soldiers who fought for Latvia during World War I.

The statue of a legendary giant who carried Christ and shouldered the world's sins.