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

A statue honors the children who fought Nazis in Poland.

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

This colorful and quirky set of pegasus sculptures celebrate the works of poet Zbigniew Herbert.

A bronze replica of an elm tree that honors the victims that perished in Pawaik Prison.

The world’s narrowest house makes for an awkward, four-foot-wide living space.

At night, this memorial illuminates a ghostly outline of a footbridge that connected two sections of the Warsaw Ghetto.

Order “Proletariat’s Cutlet” at this communist-themed restaurant allegedly once visited by Lenin.

Warsaw's fantastically preserved gasworks...almost.

A heavily politicized roundabout discussing the state of a heavily politicized country.

The unsettling remnants of a torn down movie set lies nearby the ruined location of the actual Płaszów Labor Camp.

At first glance, this area seems like just another city park, but the lush landscape hides a dark past.

This cemetery of rusting Soviet-era steam locomotives and train cars offers an apocalyptic glimpse into a bygone era.

Remnants from a time before electricity.

Legend holds that this knife serves as a chilling reminder of the deadly rivalry between two local builder brothers.

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

Learn the fine art of making a centuries-old treat at this hands-on food museum.

Art under your feet honors the history of a working-class London neighborhood.

A building that looks like a giant hedgehog, in the middle of East London.

A vast Communist-era exhibition space in the Bulgarian capital.

A collection of art from Bulgaria's time as a communist state.

An interactive museum-like experience takes visitors back to 1980s Communist Bulgaria.

"Holy Wisdom" overlooks the city that became its namesake.

Sofia's legislative center is continuously reinventing itself.