The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

This once-grandiose behemoth of a monument from the socialist era now sits quiet and closed up.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Macabre astrological automaton clock dating to the late 1400s.

Budapest's Communist-era statues, banished to the suburbs.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

This Communist-era residential block is one of the longest residential building in Europe.

These massive moving sand dunes have swallowed an entire village and are still on the run.

This Nazi ruin was the site where Hitler was almost blown up by a suitcase bomb.

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

Naturally formed rock city in Poland.

A fairytale Gothic castle steeped in Nazi treasure conspiracy theories.

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

An impressive monument to Poland's independence.

These mechanical goats first battled it out in the year 1551, all because of an overcooked deer.

Museum dedicated to "the man who moved the Earth."

This unique railroad museum secretly contains the history of Poland rebuilding itself from the inside-out.

After the famous composer died in Paris, his sister snuck his heart out of the country to honor his wish that it be buried in their native country.

A national collection of Communist-era musical posters.