Immortalized by artists, this church incorporates a medieval lighthouse into its shoreside structure.

Giant topiary dog once played a role in a terrorist bomb plot.

The final resting place of the great navigator, or maybe his brother.

This biographical museum honors the groundbreaking scientist at her birthplace in Warsaw.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.

Iceland's tribute to its thankless civil servants.

This stunning concert hall has become a symbol of Iceland's national recovery.

A bit of the Berlin Wall was gifted to the Icelandic capital to commemorate the 25th anniversary of German reunification.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

Home to three historic ships from the age of Vikings.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

The walls and streets of the ancient city are peppered with penises.

Ancient snack bar of the Roman Empire re-opened.

Erotic art covers the walls of the largest ancient pleasure palace.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A man's head is enshrined beneath a statue near the first building constructed for the modern Olympic Games.

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

Get hands on with the technological marvels of the Classical world.

A crushed gate and giant bronze head serve as a reminder of Greece's fight for freedom.