This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

A small town Romanian cemetery filled with darkly humorous gravestones.

The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.

This massive underground salt mine now holds a sci-fi theme park in its depths.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

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.

Brought to you by the makers of fiberglass dinosaurs.

Poland's oldest salt mine has nearly everything one needs to live underground forever.

Polish luminaries and masterful folk art find sanctuary in this unique cemetery.

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.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

An underground city of salt.

The hidden lair of an alchemist rediscovered in a 2002 flood.

Macabre astrological automaton clock dating to the late 1400s.

A church of bones, decorated with 40,000 human skeletons.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

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

Once the home of a hermetic monk, this cave now houses a small church.

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

An old department store turned Nazi prison turned artist commune.