This obscene artwork on the side of a newspaper office pokes fun at a rival paper's former editor-in-chief.

A memorial in the Tiergarten is a reminder of the suffering inflicted on homosexuals by the Nazi regime.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

Historic medieval fortified city in southwest France.

High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.

A museum that chronicles the history of the Nuremberg Trials for Nazi war criminals in the building where the trials were once held.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

One of the most poignant ruins of the Chernobyl nuclear disaster, the local football team's stadium has been quickly reclaimed by nature.

This attraction was abandoned after the Chernobyl disaster.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

This derelict superstructure was a very important warning system for the Soviet military.

A tribute to a Ukrainian heroine who went undercover and killed several Nazi operatives.

This unassuming museum's slogan translates to “there is a limit of sadness, anxiety has no limits."

An Art Nouveau building covered in animal gargoyles and grotesques.

A collection of miniature, symbolic sculptures hides in plain sight across Kyiv.

The deepest metro station in the world.

The haunting complex honors the millions of Ukrainians who died in the forced famine under Soviet rule.

One of the largest museums in Ukraine remembers the story of the German-Soviet War in iconic, brutalist style.

340-foot statue built to honour the Heroes of the Soviet Union.

Legend says this is actually a heartbroken prince waiting for his true love's kiss.

Catch a scenic view of Warsaw's Old Town from the top of a centuries-old dumping ground.

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

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

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