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.

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

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

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

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

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

This Polish cave has housed a dragon, a brothel, and an enduring legend.

The quiet field that inspired one of the most famous songs of all time.

The Liverpool street made famous by the Beatles is real.

19th century tunnels burrowed under Liverpool.

Giant statue of a disembodied head.

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

The ruins of a bombed medieval village memorialize the destruction of the Spanish Civil War.

This magical space partly designed by Antoni Gaudi is one of the best examples of romantic gardening in the Mediterranean.

Now a pile of ruins and rubble, this was a lovely mountain town as recently as 1960.

An isolated village literally built into the crevices and rock formations of a mountain.

Tower that was a frequent stop on the travels of King James I.

Wonderland replication in progress by one persistent man.

A Romanesque tower appears when water levels drop.

At the foot of a waterfall lies a peaceful swimming lagoon and evidence of over 60,000 years of human habitation.

Remote ruins of a 2,400-year-old Iberian settlement.

Cursed swimming pool left abandoned is now a favorite of filmmakers and ghost hunters.