A floundering Polish shipyard was once the soul of the Solidarity movement that capsized communism.

The biblical sculpture honors those who lost their lives, homes and communities to the Chernobyl disaster.

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

The hallucinogenic center of the ancient world.

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

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

A network of concealed passageways lies within a busy London Underground station.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

Home to Alan Turing, the cracking of the Enigma code, and Captain Ridley's shooting party.

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

Modernist design and funerary customs meet Spartan traditions in this one-of-a-kind graveyard.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

This quaint farm in the Peloponnese countryside hides an astonishing cache of antique curiosities.

An abandoned masterpiece of Soviet Brutalist architecture.

A former imperial sea-fortress and Soviet prison.

"There's nothing there," and other lies the KGB told us.

The reconstruction of this prominent building fulfilled a long-written command.

This charming Latvian lane doubled as Baker Street on the Soviet Union’s version of Sherlock Holmes.

A stone marker and sculpture in the city of Riga stake a claim for the very first community Christmas tree.

Latvia's symbolic mountain-shaped national library is home to millions of cultural tomes.

The oldest housing complex in Riga is a mini timeline of architectural trends.

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

Flamboyant architecture from the turn of 20th century.

3,000 market stands in five former Zeppelin hangars.