Cold war icon and onetime "hole" in the iron curtain.

A haunting contrast of trains that both saved and took the lives of Jewish children in Nazi Germany.

Check the time in 145 countries at once with this East German relic.

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

This bell stars in a tragic love tale and is said to make wishes come true.

The last king of Poland was interred in this church nearly 200 years after his death.

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

One of the world's largest collections of medieval religious art.

This enormous 32-foot painting depicts Poland's greatest medieval battle in glorious detail.

The first, and perhaps only, monument dedicated to Wikipedia.

This unique medieval artwork featuring the story of the Antichrist remained lost for decades.

An abstract and eyecatching clock/fountain is the centerpiece of this little-known German city.