This vast masterpiece of Moroccan architecture spreads across 20 acres.

The site of the first battle of World War II.

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

The medieval town's star-shaped walls are geometrically dazzling, though not entirely impenetrable.

This antique thermometer honors the creator of the first universal temperature scale.

Modern art commemorates one of the first military actions of World War II.

A merchant court dedicated to the fictitious King Arthur is heavily adorned with bizarre Renaissance art.

A huge wooden clock that is so beautiful its creator was forcibly blinded.

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.

Real bones which are said to have belonged to a Polish dragon.

Relive a Polish uprising via an enormous, century-old cyclorama.

In the center of Wrocław's old meat market stands a somber tribute to the city's livestock.

A collection of old neon signs from all over Poland line a secluded courtyard.

The silly symbol for an underground protest group is now scattered around the city.

The former Field Marshall and Minister of War to the Russian Imperial Army.

This celebration of Latvia’s freedom and independence avoided demolition over half a century of Soviet occupation.

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.

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

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

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

Flamboyant architecture from the turn of 20th century.

3,000 market stands in five former Zeppelin hangars.